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.

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

The Principle of Tolerance, fixed once for all the realization that all knowledge is limited. It is an irony of history that at the very time when this was being worked out, there should rise, under Hitler in Germany and other tyrants elsewhere, a counter-conception: a principle of monstrous certainty. When the future looks back on the 1930's, it will think of them as a crucial confrontation of culture as I have been expounding it - the ascent of man against the throwback to the despots' belief that they have absolute certainty.

Science, like art, is not a copy of nature but a re-creation of her.

The human baby, the human being, is a mosaic of animal and angel.

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

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