Man masters nature not by force but by understanding. This is why science has succeeded where magic failed: because it has looked for no spell to cast over nature.

Einstein was a man who could ask immensely simple questions. And what his work showed is that when the answers are simple too, then you can hear God thinking.

The most wonderful discovery made by scientists is science itself.

No science is immune to the infection of politics and the corruption of power.

Every animal leaves traces of what it was; man alone leaves traces of what he created.

Man is unique not because he does science, and his is unique not because he does art, but because science and art equally are expressions of his marvelous plasticity of mind.

The world is full of people who never quite get into the first team and who just miss the prizes at the flower show.

It is vain to say human beings ought to be satisfied with tranquillity: they must have action; and they will make it if they cannot find it.

Knowledge is an unending adventure at the edge of uncertainty.

Science has nothing to be ashamed of even in the ruins of Nagasaki. The shame is theirs who appeal to other values than the human imaginative values which science has evolved.

That is the essence of science: ask an impertinent question, and you are on the way to a pertinent answer.

We are all afraid for our confidence, for the future, for the world. That is the nature of the human imagination. Yet every man, every civilization, has gone forward because of its engagement with what it has set itself to do.

The values by which we are to survive are not rules for just and unjust conduct, but are those deeper illuminations in whose light justice and injustice, good and evil, means and ends are seen in fearful sharpness of outline.

Dissent is the native activity of the scientist, and it has got him into a good deal of trouble in the last years. But if that is cut off, what is left will not be a scientist. And I doubt whether it will be a man.

The world can only be grasped by action, not by contemplation.

The hand is the cutting edge of the mind.

You will die but the carbon will not; its career does not end with you. It will return to the soil, and there a plant may take it up again in time, sending it once more on a cycle of plant and animal life.

The world is made up of people who never quite get into the first team and who just miss the prizes at the flower show.

It is important that students bring a certain ragamuffin, barefoot irreverence to their studies; they are not here to worship what is known, but to question it.

We gain our ends only with the laws of nature; we control her only by understanding her laws.

The wish to hurt, the momentary intoxication with pain, is the loophole through which the pervert climbs into the minds of ordinary men.

Man masters nature not by force but by understanding. This is why science has succeeded where magic failed: because it has looked for no spell to cast over nature.

Power is the by-product of understanding.

To me, being an intellectual doesn't mean knowing about intellectual issues; it means taking pleasure in them.

Has there ever been a society which has died of dissent? Several have died of conformity in our lifetime.

Certainty ends inquiry.

Ask an impertinent question and you are on the way to the pertinent answer.

Every judgment in science stands on the edge of error, and is personal.

The symbol and the metaphor are as necessary to science as to poetry.

Man is unique not because he does science, and he is unique not because he does art, but because science and art equally are expressions of his marvelous plasticity of mind.

The most remarkable discovery ever made by scientists is science itself. The discovery must be compared in importance with the invention of cave-painting and of writing.

Science is the acceptance of what works and the rejection of what does not. That needs more courage than we might think.

It is a mistake to think of creative activity as something unusual.

Photography is a major force in explaining man to man.

If you want something that's going to provide you with a lot of challenges and a variety of different things to do, then you really can't beat a place like the Air Force. I don't mean this to sound like a recruiting pitch. But it's been a lot of fun.

We need to begin an all-out diplomatic offensive on Darfur in order to prepare the way for a peacekeeping force that can ensure protection for the people of Darfur.

The most important quality in a leader is that of being acknowledged as such. All leaders whose fitness is questioned are clearly lacking in force.

Capital is a result of labor, and is used by labor to assist it in further production. Labor is the active and initial force, and labor is therefore the employer of capital.

All that a good government aims at... is to add no unnecessary and artificial aid to the force of its own unavoidable consequences, and to abstain from fortifying and accumulating social inequality as a means of increasing political inequalities.

It is the tendency of the social burdens to crush out the middle class, and to force society into an organization of only two classes, one at each social extreme.

No doubt Western civilization has in the past been full of wars and revolutions, and the national elements in our culture, even when they were ignored, always provided an unconscious driving force of passion and aggressive self-assertion.

We need a strong police force - the Interior Ministry of the Republic of Chechnya. We have to get rid of the traitors who have managed to penetrate into the law-enforcement department.

From the long range point of view, I do not know of anything we can do more important than to make some contribution to the preservation of religion as a vital force in America.

The increase of territory and power of empires by force of arms has been the policy of all great powers, and it has always been possible to get the approval of their state religion.

The exact measure of the progress of civilization is the degree in which the intelligence of the common mind has prevailed over wealth and brute force.

The dedication of the United States Air Force, Special Forces, and others involved in the mission to tracking down terrorists can not be matched. We express our gratitude to these men and women who defend the freedom America represents.

My mom and dad met at UCLA when he as a captain in the Air Force and she was in her junior year.

We believe, in fact, that the one act of respect has little force unless matched by the other - in balance with it... The acting out of that dual respect I would name as precisely the source of our power.

Our little force will march on tomorrow or the day after.