As our case is new, we must think and act anew.

Knowledge speaks, but wisdom listens

Wisdom begins at the end.

I've learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel.

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

Intelligence is a moral category.

The one you buy will be the only one that doesn't work.

Tact is the knack of making a point without making an enemy.

Nature is pleased with simplicity. And nature is no dummy

Science may set limits to knowledge, but should not set limits to imagination.

Where there is anger, there is always pain underneath.

Good advice is always certain to be ignored, but that's no reason not to give it.

Strength does not come from physical capacity. It comes from an indomitable will.

Power always thinks it has a great soul and vast views beyond the comprehension of the weak.

Turn your wounds into wisdom.

Men are not prisoners of fate, but only prisoners of their own minds.

Throw your heart over the fence and the rest will follow.

We are all born ignorant, but one must work hard to remain stupid

The greatest minds are capable of the greatest vices as well as of the greatest virtues.

You are not a drop in the ocean. You are the entire ocean, in a drop.

The greatest of all mistakes is to do nothing because you think you can only do a little