A raised weight can produce work, but in doing so it must necessarily sink from its height, and, when it has fallen as deep as it can fall, its gravity remains as before, but it can no longer do work.

Each individual fact, taken by itself, can indeed arouse our curiosity or our astonishment, or be useful to us in its practical applications.

The older view of the nature of heat was that it is a substance, very fine and imponderable indeed, but indestructible, and unchangeable in quantity, which is an essential fundamental property of all matter.

I then endeavoured to show that it is more especially in the thorough conformity with law which natural phenomena and natural products exhibit, and in the comparative ease with which laws can be stated, that this difference exists.

Windmills, which are used in the great plains of Holland and North Germany to supply the want of falling water, afford another instance of the action of velocity. The sails are driven by air in motion - by wind.

Heat can also be produced by the impact of imperfectly elastic bodies as well as by friction. This is the case, for instance, when we produce fire by striking flint against steel, or when an iron bar is worked for some time by powerful blows of the hammer.

The law in question asserts, that the quantity of force which can be brought into action in the whole of Nature is unchangeable, and can neither be increased nor diminished.

Now, the external work of man is of the most varied kind as regards the force or ease, the form and rapidity, of the motions used on it, and the kind of work produced.

Iron which is brought near a spiral of copper wire, traversed by an electrical current, becomes magnetic, and then attracts other pieces of iron, or a suitably placed steel magnet.

Reason we call that faculty innate in us of discovering laws and applying them with thought.

What appeared to the earlier physicists to be the constant quantity of heat is nothing more than the whole motive power of the motion of heat, which remains constant so long as it is not transformed into other forms of work, or results afresh from them.

You all know how powerful and varied are the effects of which steam engines are capable; with them has really begun the great development of industry which has characterised our century before all others.

A raised weight can produce work, but in doing so it must necessarily sink from its height, and, when it has fallen as deep as it can fall, its gravity remains as before, but it can no longer do work.

A moving body whose motion was not retarded by any resisting force would continue to move to all eternity.

But heat can also be produced by the friction of liquids, in which there could be no question of changes in structure, or of the liberation of latent heat.

Not that I wish by any means to deny, that the mental life of individuals and peoples is also in conformity with law, as is the object of philosophical, philological, historical, moral, and social sciences to establish.

A metaphysical conclusion is either a false conclusion or a concealed experimental conclusion.

But heat can also be produced by the friction of liquids in which there could be no question of changes in structure or of the liberation of latent heat.

With an eye made quiet by the power of harmony, and the deep power of joy, we see into the life of things.

I was just a big guy running down with a big, deep pocket and little short stick putting it against my chest.

But the deep desire for peace remained with the American people.

As a scientist, my attention became totally focused on global warming some 15 years ago by the elegant and powerful measurements of carbon dioxide trapped in ice cores taken as much as 2 miles deep from the great East Antarctica ice sheet.

No matter how deep a study you make. What you really have to rely on is your own intuition and when it comes down to it, you really don't know what's going to happen until you do it.

To be a character who feels a deep emotion, one must go into the memory's vault and mix in a sad memory from one's own life.

No amount of cajolery, and no attempts at ethical or social seduction, can eradicate from my heart a deep burning hatred for the Tory Party. So far as I am concerned they are lower than vermin.

A work will only have deep resonance if the kind of darkness I can generate is something that is resident in me already.

He saved the production a tremendous amount. Now they did the scene where Omar is on the horse and he's in the deep snow, they went to Finland to do that. That scene they went to Finland for a week. I wasn't around then.

We have deep depth.

Nothing said to us, nothing we can learn from others, reaches us so deep as that which we find in ourselves.

You have to open your mind. I like the ability to express myself in a deep way. It's the closest music to our humanity - it's like a folk music that rises up out of a culture.

How well I have learned that there is no fence to sit on between heaven and hell. There is a deep, wide gulf, a chasm, and in that chasm is no place for any man.

Religion, you know, enters very deep; in reality it is the deepest impression I have in speaking to people, that they are or that they are not of my religion.

When the Negro cries with pain from his deep hurt and lays his petition for elemental justice before the nation, he is calling upon the American people to kindle about that crucible of race relationships the fires of American faith.

I was very lucky. Things happened, both bad and good, but I never got into real, deep trouble. But it wore me down. By the time I was 18, I was done. I didn't want to live the life any more. I needed to develop past the point that busking takes you to.

I have a deep rooted folk sensibility that I can't get away from completely.

Deep within man dwell those slumbering powers; powers that would astonish him, that he never dreamed of possessing; forces that would revolutionize his life if aroused and put into action.

Many hard comments have been made on my efforts in India from the side of the Congress party, yet I feel content in the deep conviction that the offer I traveled 22,000 miles to discuss with Indian leaders was a real contribution to a solution of our differences.

When they see those fourteen lights, they're looking at a miracle. And deep down, they feel that whatever's going to happen, there will be someone there to help them. And that fills them with hope.

I think doing something of your life is something that you've got deep inside, whether it's to, whether you want to be an astronaut or a, whether you want to do science, or whether you want to be a movie star, or whatever.

The right to revolt has sources deep in our history.

The musical heritage of Yorkshire is deep and wide.

In an age where history is recorded on T-shirts, the very notion of dwelling on the deep structure of an experience has come to appear both arcane and archaic.

I'm not just a politician, I'm a guy who has a real deep, substantive, commitment to education.

There's no huge, deep message in any of the songs. We recorded a few months of being human.

I thought people cared about music in a deep way, so I was writing to that spirit in people and in myself. It was me, thinking I knew what was up. Youth, who else can change the world?

The sacrifices made by veterans and their willingness to fight in defense of our nation merit our deep respect and praise - and to the best in benefits and medical care.

Every now and then, when you're on stage, you hear the best sound a player can hear. It's a sound you can't get in movies or in television. It is the sound of a wonderful, deep silence that means you've hit them where they live.

Many of the master chefs in the South, both the upper South as well as the deep South, were blacks and many of those people came here to Washington, D.C., and opened up establishments. Very, very few of them have survived. But they certainly were very prominent.

When I was a child people simply looked about them and were moderately happy; today they peer beyond the seven seas, bury themselves waist deep in tidings, and by and large what they see and hear makes them unutterably sad.