The tormentof human frustration, whatever its immediate cause, is the knowledge that theself is in prison, its vital force and ‘mangled mind’ leaking away in lonely,wasteful self-conflict.

Long-rangeplanning works best in the short term.

The evolution from happiness to habit is one of death's best weapons.

A man may die, nations may rise and fall, but an idea lives Ideas have endurance without death.

Thegalleries are full of critics. They play no ball, they fight no fights. Theymake no mistakes because they attempt nothing. Down in the arena are thedoers. They make mistakes because they try many things. The man who makes nomistakes lacks boldness and

Nothingstrengthens the judgment and quickens the conscience like individualresponsibility.

Thefibers of all things have their tension and are strained like the strings ofan instrument.

Trust resides squarely between faith and doubt.

A half-truth won for ourselves is worth more than a whole truth learned from others.

Night is the blotting paper of many sorrows.

Whenyou're at the edge of a cliff, sometimes progress is a step backwards.

Conflictlies at the core of innovation.