Those who turned the Hebrew word into English long ago thought "firmament"--that which stands fast--was a better word than "expansion,"

which simply means what is stretched or spread out--as the heaven is spread above the earth "like a curtain." The expanse, then, which G.o.d made on the SECOND DAY, is what we call, the sky, as we look up and see the

"... tapestried tent Of that marvellous curtain of blue and gold,"

which is high above our heads, and stretches away far, far as our eyes can reach. And this tent, under whose shadow we dwell, is not firm and solid, but is really a globe of vapour, which surrounds us everywhere, and reaches, not all the way up to what we call the blue sky, but very much higher than any bird could fly or balloon float--as high as forty or fifty miles above the earth. G.o.d has fixed its height; if it were less, every breath we take would hurt us; if it were much greater, we should be always tired.

But before we speak of this atmosphere, or globe of air, which surrounds the earth, I want you to remember, as you read of the work of G.o.d on the Six Days of creation, that each one of these Days led, in a beautiful order, to the next, and that in all of them G.o.d was preparing the earth, which He had created in the beginning, for the creatures which He had not yet formed. For each kind of creature a place was found fit for it to live in, whether that dwelling-place was the earth, or the great and wide sea, or the boundless fields of air. And each creature, as it came from G.o.d's hand, was fitted to live where G.o.d had placed it: for every living thing the means of living was provided. Thus on the First of His Days G.o.d called for the light. What would the face of all the world be without it? Then on the SECOND DAY He not only provided the place in which the happy winged creatures fly and utter their sweet songs, but that by which all living things, whether they were plants or animals, should be kept alive. I am sure you know that without air you could not breathe; but perhaps you have never thought that without it no plant could live, not even the smallest blade of gra.s.s. Every green thing lives by breathing the air, and if there were no air which it could breathe, it would soon die.

How freely G.o.d has given us this great blessing! His air is all around us, as is His presence. When people wish to speak of what belongs to everyone alike they sometimes say, "It's as free as the air you breathe"--this wonderful air, which we cannot see, but which helps to make the sky so blue, without which no fire could burn, no robin sing to its mate, no lamb bleat after its mother, no merry voices of boys and girls at play be heard.

G.o.d has indeed made it free to us; but let us never forget that we are, as His creatures, dependent upon Him for every breath we draw.

Now while we speak of the way in which this world was created by G.o.d, and fitted to become the dwelling-place of His creatures, we may remember how the Lord Jesus spoke to His disciples, after He had told them that He would be only a little while with them, about the place He was going to prepare for them. This reminds me of a little incident which I should like to tell you, because it is so beautiful to know that the Lord of glory, who was allowed no place here, He who

"Wandered as a homeless stranger, In the world His hands had made,"

has indeed gone to prepare a place for those whom He has, by His death and resurrection, made ready to dwell there.

In a quiet market-town in the North of England an aged Christian had invited a number of those of whom our Lord says, "whensoever ye will ye may do them good," to take tea with him and his friends. After they had enjoyed what loving hands had made ready, their host took out G.o.d's book, and turning to the second verse of the fourteenth chapter of John's Gospel, read it, and then said, "It comes to me in this way, dear friends: If our Lord is preparing a place, He wants a prepared people."

He then went on to say that we all need preparing, that is making ready, to dwell in the place of which the Lord Jesus Christ spoke as "My Father's house"--the place which was always His own home--and then he told once again the story which you have so often heard--

"... the old, old story Of Jesus and His love."

The Lord often spoke to His own disciples about His Father. He said, "I came forth from the Father, and am come into the world: again, I leave the world, and go to the Father," and when He spoke of leaving them He said, "If ye loved Me ye would rejoice, because I said, I go unto the Father."

But we know that those who had been with their Master for so long did not rejoice when He spoke of going away: their hearts were filled with sorrow.

When He said to them, "Whither I go ye know, and the way ye know," Thomas replied; "Lord, we know not whither thou goest, and how can we know the way?"

What did the Lord say?

He said that He was Himself the way to the Father--"I am the way, and the truth, and the life: no man cometh unto the Father but by Me."

But if the Lord was going back to His Father's House--the place which was always His home--He was not willing to go alone. He might have gone back at any time, but if He would have those who could neither cleanse nor clothe themselves, who were sinful and unfit for that Home of love and light, He must go by the way of death, giving up His own life, that He might make them ready to dwell with Him in His Father's house; so that when He said, "I go to prepare a place for you," He, the Son of G.o.d, in His wonderful love, was going to do that which alone could make anyone fit to enter there, and be at home for evermore.

But then we sometimes go on as if we were to live in this world for ever, and do not come to Him who says, "I am the way." Or perhaps we think we can make ourselves ready by trying to be good--forgetting that the One who is Himself the Truth said, "The Son of Man is come to seek and to save that which was lost," and that if the Lord is preparing a place, He wants a prepared people.

But we were speaking about the way in which G.o.d, when He made this world in which we live, prepared it for the creatures to whom He would give it to be their dwelling-place; and especially of the globe of air with which He has surrounded the earth--that wonderful ocean of air in which we live and move, just as the fish live and move in their ocean of water.

Let us see if we cannot learn something more about the atmosphere. But first of all let me ask, What can you tell me about it?

"You cannot see the air; you can feel it, and often hear it."

Yes, indeed we can. How delightfully fresh it comes to us as we swing, or when we are driving fast, or sailing; and how terrible its force is when the stormy wind rushes past, driving everything before it! It is then we can understand that the gentle air, which yields to the slightest touch, may be a very mighty power indeed.

And now I am going to tell you something about the air which may surprise you. We often say of a thing that it is "as light as air"; but air is not really light, it is so heavy that it would press upon us and crush us, just as a great hammer might crush your little finger, only that this heavy weight of air presses quite evenly everywhere all through our body, within and without, upward as well as downward, and yields at once when we move, so that we do not feel its weight.

Just think of the weight of water which lies above a little fish as it swims far down in the sea. Why is it not crushed by it? Just for the same reason; the water is all round the fish, as the air in our ocean is all round us; and it presses so evenly that it cannot be felt in any particular part.

Another very wonderful thing about the atmosphere is that what we call the air is made up of two airs, or gases, as different as possible from each other, but mixed so as to make exactly that particular sort of air which is fit for us to breathe.

One of these gases, named oxygen, might well be called "life-sustainer"; it forms about one-fifth of the air we breathe, and is that part of it which makes our fires burn and our lamps give light, and keeps us and all the animals alive. The other gas is called nitrogen; it is a dull gas, with no life in it, and remains behind when all the oxygen is taken out of the air.

But this part of the air is very useful; it prevents the breathing of men and animals and the burning of fires and lamps, from going on too fast. If you had only the life-sustaining part of the air to breathe, you would soon die; and if the air was all made of that part which burns so well, one spark falling upon it would be enough to burn up the whole world, for no one could put the fire out.

These two gases are mixed in nearly the same proportions in all climates so as to make the beautiful pure air which G.o.d has given us to live and go about in. There is another gas, called carbonic acid, made partly of oxygen and partly of carbon, or burnt wood, which might be called "life-destroyer," for it will put out light and make an end of life. It is one of the most deadly poisons, and forms the "choke-damp" which too often suffocates the miner; but what we call fresh air contains such a very small proportion of this dangerous gas that it is harmless. Still we must remember that every time anyone or any animal breathes, some of the air by which we live is taken away from that which surrounds us, and some of this poisonous air is thrown into it. If this is the case, should we not, by degrees, find the air becoming less and less pure and fit for us to breathe?

Certainly it would be so, if G.o.d had not made a beautiful provision for keeping the air fresh, which I will try to explain to you.

You may remember that the Lord Jesus, after He had made the five barley loaves and two small fishes prove enough for thousands of hungry men and women and little children, turned to His disciples, and said, "Gather up the fragments that remain, that nothing be lost." So, in the world around us, we may often see that G.o.d gives freely, but does not allow what He has freely given to be lost or wasted.

Now when you take a long breath, and breathe in the air, you presently breathe it out again. But what you breathe out is not the same; the part of it by which you live is gone, and a poisonous air has taken its place.

Then, if every person in the world, and even the smallest animal, is constantly using up the good part of the air, and breathing out that which has been spoilt for animals, and would kill them if they had nothing else to breathe--why are not all animals poisoned? What becomes of this air which has been spoilt for them? Is it good for anything?

Ah! there is a wonderful, beautiful answer to these questions going on all day long, surely and silently, unseen by any of us.

This air which has been used by us, and is no longer fit for our use, feeds the plants and trees, the gra.s.s, and all living things which are not animals; the plants, through tiny mouths at the edge of their leaves, breathe it in. They grow by it; and, wonder of wonders, all day long, if only the plant is where the sun can shine upon it, every green bit of it is busy making this same air fit for us to breathe again; using up what it wants, and what we do not want; every fragment, as it were, being gathered up, and nothing lost.

I used to think, when I first learnt this beautiful lesson, that every part of a plant was useful in purifying the air, and also that plants are always busy at this purifying work, and so I liked to keep geraniums and fuchsias in my room at night, for I thought that while I was asleep they would keep the air fresh and sweet. But now I know--for as long as we live in this world we can always be learning--that it is only in the daytime, when there is light, that a plant can keep the air pure, by using up what we have spoilt for our own use, and giving away what is good for us to breathe; and also that, it is only the green part of it that has the power to take out of the air the carbonic acid which we are constantly breathing into it, using the carbon for its own food, and giving the oxygen back into the air for our use; the parts which are not green, such as the roots and flowers, breathe just as animals do, and spoil the air for us instead of making it more fit for us to breathe.

You never thought, did you, that you help to feed the trees, and to keep them alive and green, and that the trees and gra.s.s in their turn help to keep you alive?

We were saying the other day how a ray of light will come through a little round hole in the shutters when they are closed, or by any cranny through which it can force its way. As long as that one ray is shining into the darkened room you may watch the little grains of dust, like bright specks, dancing up and down in it. But someone opens the shutters, the room becomes all light, and you no longer see those tiny specks--and yet the dust is still there, not only where you saw it, but all over the room.

Why could you see the dust just where the ray of light shone, and nowhere else? The light did not make the dusty specks, they were in the room already, but it showed them to you.

Just so there are many wonderful things going on around us in earth and sky and sea--in what people call Nature--which we cannot see or hear or feel; for G.o.d is always working mightily and graciously, unseen and unheard by us, though He does allow us to know "parts of His ways," and to look with wonder upon many more which we cannot understand.

We are apt to think that all things continue as they were from the beginning of the world: but in reality the earth is never at rest; it has pa.s.sed through many changes, and still the old story goes on; on the one hand there is change and decay, and on the other that constant building up and repair by which "the face of the earth" is "renewed." Nothing is lost; nothing stands still; and things which seem to have no relation to one another, yet depend upon each other and work together in ways more wonderful than we could ever have imagined: each is a part of the great whole, and you could not take away any portion without spoiling the rest.

And now let us read again the 7th and 8th verses of our chapter.

"And G.o.d made the firmament, and divided the waters which were under the firmament from the waters which were above the firmament: and it was so.

And G.o.d called the firmament Heaven. And the evening and the morning were the second day."

What are the "waters which were above"?

They are those beautiful clouds which seem to float in the ocean of air. I am sure you have often wondered at their pure loveliness, as they sailed over the sky, soft and white against the blue, as the foam upon the sea.

It was such clouds as these which two little boys saw once when they were out driving. They were sitting close together in the back seat, and their father heard them talking about the sky.

"Look," said one of the children, "G.o.d lives in the blue."

"No, Georgie," said his brother, "He lives in the white."

They were both right, for G.o.d is everywhere.

A little child of whom I have heard used to think, because she understood that brightness and glory go together, that the stars were holes in the floor of G.o.d's dwelling, to let the glory through. In the book of Job the clouds are spoken of as "the treasure-house of the rain and snow," and as the "bottles of heaven," and these names become full of meaning when we know that the water, which falls from the clouds at every shower, is constantly being drawn up again to fill them once more. This is done by what is called evaporation, and very much of the water which rises to the clouds comes from the sea, along sh.o.r.e, as well as from rivers and lakes.

Have you seen a pond dry up in summer? No? Then perhaps you have looked into the ink bottle when all the ink had gone, and only some dry black dust was left in it. What has happened? All the water in the ink has flown away; the heat has turned it into vapour, which is lighter than air, and so it has risen up through the air to form part of those snowy clouds which you love to watch, when the light of the setting sun turns them to crimson and gold. This change of water into vapour is one of the beautiful things which we cannot often see, but which is always going on. The rain from heaven falls upon the thirsty land, making it bring forth and bud, that there may be bread for us, and food for every living thing; and then, when its work is done, all that is not wanted goes back again, and is stored up in the treasure-house of the clouds--nothing is lost.

I remember when we were speaking of this, I asked my children what the earth would be like if all the rain that fell remained upon it. Chrissie was the only one who had an answer ready; he said it would soon be a swamp, and nothing could grow well, and no one could live. We can all understand that if there were no rain to "satisfy the desolate ground," the earth would soon be a parched desert; but it is just as true that, while the rain is such a blessing, if G.o.d had not provided for its returning to the clouds, the earth would indeed become a desolate waste of water. I must tell you that little d.i.c.k was very much interested about this, and he remembered that he had seen, in a place where the sun was shining, the water going back from the earth to the clouds. "It went up in streaks," he said, "and I saw it quite plainly."