Though our conduct seems so very different from that of the higher animals, the primary instincts are much alike in them and in us.

Student: Dr. Einstein, Aren't these the same questions as last year's [physics] final exam? Dr. Einstein: Yes; But this year the answers are different.

Germany had the misfortune of becoming poisoned, first because of plenty, and then because of want.

Most people stop looking when they find the proverbial needle in the haystack. I would continue looking to see if there were other needles.

God doesn't; shoot crap with the universe.Your innermost thoughts are beliefs that unfold as your universe.

One always likes to do the things for which one has ability.

The words of language, as they are written or spoken, do not seem to play any role in my mechanism of thought. The physical entities which seem to serve as elements in thought are certain signs and more or less clear images.