The Revolution introduced me to art, and in turn, art introduced me to the Revolution!

Hunger, love, pain, fear are some of those inner forces which rule the individual's instinct for self preservation.

Humankind's desire for peace can be realized only by the creation of a world government.

The ideals which have always shone before me and filled me with the joy of living are goodness, beauty, and truth.

It is little short of a miracle that modern methods of instruction have not already completely strangled the holy curiosity of inquiry.... I believe that one could even deprive a healthy beast of prey of its voraciousness if one could force it with a whip to eat continuously whether it were hungry or not.

Einstein was once asked how many feet are in a mile. Einstein's reply was "I don't know, why should I fill my brain with facts I can find in two minutes in any standard reference book?

The only source of knowledge is experience.