Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Out yonder there was this huge world...which stands before us like a great eternal riddle.

America is today the hope of all honorable men who respect the rights of their fellow men and who believe in the principle of freedom and justice.

Nothing truly valuable arises from ambition or from a mere sense of duty; it stems rather from love and devotion towards men and towards objective things.

One should never impose one's views on a problem; one should rather study it, and in time a solution will reveal itself.

Falling in love is not at all the most stupid thing that people do - but gravitation cannot be held responsible for it.

I hate all the loathsome nonsense that goes with patriotism.