Facts are counterrevolutionary.

One word characterizes the most strenuous of the efforts for the advancement of science that I have made perservereingly during fifty-five years; that word is failure

The basic test of freedom is perhaps less in what we are free to do than in what we are free not to do.

A man by himself is in bad company.

Free men are aware of the imperfection inherent in human affairs, and they are willing to fight and die for that which is not perfect.

The creative mind is the playful mind. Philosophy is the play and dance of ideas.

Man was nature's mistake she neglected to finish him and she has never ceased paying for her mistake.