Nothing is unthinkable, nothing impossible to the balanced person, provided it comes out of the needs of life and is dedicated to life's further development

Life is the only art that we are required to practice without preparation, and without being allowed the preliminary trials, the failures and botches, that are essential for training

One of the functions of intelligence is to take account of the dangers that come from trusting solely to the intelligence

What was once called the objective world is a sort of Rorschach ink blot, into which each culture, each system of science and religion, each type of personality, reads a meaning only remotely derived from the shape and color of the blot itself

Every generation revolts against its fathers and makes friends with its grandfathers

Restore human legs as a means of travel. Pedestrians rely on food for fuel and need no special parking facilities

The way people in democracies think of the government as something different from themselves is a real handicap. And, of course, sometimes the government confirms their opinion

Don't take the will for the deed; get the deed

The earth is the Lord's fullness thereof: this is no longer a hollow dictum of religion, but a directive for economic action toward human brotherhood

New York is the perfect model of a city, not the model of a perfect city