The true is the name of whatever proves itself to be good in the way of belief, and good, too, for definite, assignable reasons.

Act as if what you do makes a difference. It does.

The greatest discovery of my generation is that a human being can alter his life by altering his attitudes of mind.

Be not afraid of life. Believe that life is worth living, and your belief will help create the fact.

A great many people think they are thinking when they are merely rearranging their prejudices.

Do not say a little in many words, but a great deal in few.

-- Pythagoras

Suckers try to win arguments, non-suckers try to win.

-- Nassim Nicholas Taleb

A free man thinks of nothing less than of death, and his wisdom is a meditation not on death but on life.

-- Benedictus de Spinoza

I know that I do not know.

-- Plato

In life and business, there are two cardinal sins: The first is to act precipitously without thought, and the second is to not act at all.

-- Carl Icahn

Even among barbarians, pride sometimes yields to wisdom, and Ares stands in awe of the Muses.

-- Posidonius