People love chopping wood. In this activity one immediately sees results.

Ninety nine failed solutions equals a gain of 99 pieces of information.

I wish to do something Great and Wonderful, but I must start by doing the little things like they were Great and Wonderful

The beauty of it is that we have to content ourselves with the recognition of the miracle, beyond which there is no legitimate way out.

I am doing just fine, considering that I have triumphantly survived Nazism and two wives.

The history of scientific and technical discovery teaches us that the human race is poor in independent and creative imagination. Even when the external and scientific requirements for the birth of an idea have long been there, it generally needs an external stimulus to make it actually happen; man has, so to speak, to stumble right up against the thing before the idea comes.

The greatest knowledge a person can possess is the address of the local library.