Great geniuses have the shortest biographies.

Nothing great was ever achieved without enthusiasm.

Trust men and they will be true to you; treat them greatly, and they will show themselves great.

'Ah, so you shall be sure to be misunderstood.' — Is it so bad, then, to be misunderstood? Pythagoras was misunderstood, and Socrates, and Jesus, and Luther, and Copernicus, and Galileo, and Newton, and every pure and wise spirit that ever took flesh. To be great is to be misunderstood.

Insist on yourself; never imitate...Every great man is a unique.

It just told me what I already knew, that I'm a great and amazing guy, didn't I tell you baby, I'm Zaphod Beeblebrox.

Thought constitutes the greatness of man.

The grandeur of man is great in that he knows himself to be miserable.