Do not pray for an easy life, pray for the strength to endure a difficult one.

Every intelligent individual wants to know what makes him tick, and yet is at once fascinated and frustrated by the fact that oneself is the most difficult of all things to know.

Gravity is only the bark of wisdom's tree; but it preserves it

Science has not yet taught us if madness is or is not the sublimity of the intelligence.

Be curious, not judgmental.

It is tact that is golden, not silence.

Good means not merely not to do wrong, but rather not to desire to do wrong.

Those who know, do. Those that understand, teach.

Promises are like crying babies in a theater, they should be carried out at once.

By three methods we may learn wisdom: first, by reflection which is noblest; second, by imitation, which is the easiest; and third, by experience, which is the bitterest.

Rational discussion is useful only when there is a significant base of shared assumptions.

Creativity is the process of having original ideas that have value.

Only from the heart can you touch the sky.

And no one will listen to us until we listen to ourselves.

The greatest of wealth is the richness of the soul.

Destiny is not a passive agent that lies in the lap of the Gods, but is an active instrument that lies in your own hands to shape as you will.

Better mad with the rest of the world than wise alone.

Every act of creation is first an act of destruction.

But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown.

Act as if the maxim of your action were to become through your will a general natural law

Time wounds all heels.