In youth men are apt to write more wisely than they really know or feel; and the remainder of life may be not idly spent in realizing and convincing themselves of the wisdom which they uttered long ago.

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

Every industrious man, in every lawful calling, is a useful man. And one principal reason why men are so often useless is that they neglect their own profession or calling, and divide and shift their attention among a multiplicity of objects and pursuits.

The key question isn't "What fosters creativity?" But why in God's name isn't everyone creative? Where was the human potential lost? How was it crippled? I think therefore a good question might not be why do people create? But why do people not create or innovate? We have got to abandon that sense of amazement in the face of creativity, as if it were a miracle that anybody created anything.

Believe that life is worth living and your belief will help create the fact.

Do what thy manhood bids thee do, from none but self expect applause. He noblest lives and noblest dies who makes and keeps his self-made laws.