Every great advance in science has issued from a new audacity of imagination. - The Quest for Certainty.

Every great advance in science has issued from a new audacity of imagination. - The Quest for Certainty.

The two best physicians of them all -- Dr. Laughter and Dr. Sleep.

The two best physicians of them all -- Dr. Laughter and Dr. Sleep.

When you take stuff from one writer it's plagiarism; but when you take it from many writers, it's research.

When you take stuff from one writer it's plagiarism; but when you take it from many writers, it's research.

Research is the act of going up alleys to see if they are blind.

Research is the act of going up alleys to see if they are blind.

A man sits with a pretty girl for an hour, it seems like a minute. He sits on a hot read more

A man sits with a pretty girl for an hour, it seems like a minute. He sits on a hot stove for a minute, it's longer than any hour. That is relativity.

There are more ideas on earth than intellectuals imagine. And these ideas are more active, stronger, more resistant, more passionate read more

There are more ideas on earth than intellectuals imagine. And these ideas are more active, stronger, more resistant, more passionate than "politicians" think. We have to be there at the birth of ideas, the bursting outward of their force: not in books expressing them, but in events manifesting this force, in struggles carried on around ideas, for or against them. Ideas do not rule the world. But it is because the world has ideas... that it is not passively ruled by those who are its leaders or those who would like to teach it, once and for all, what it must think.

As the births of living creatures, at first, are ill-shapen: so are all Innovations, which are the births of time.

As the births of living creatures, at first, are ill-shapen: so are all Innovations, which are the births of time.

Everything that can be invented has been invented.

Everything that can be invented has been invented.

It is the customary fate of new truths to begin as heresies and to end as superstitions.

It is the customary fate of new truths to begin as heresies and to end as superstitions.