We seldom realize, for example that our most private thoughts and emotions are not actually our own. For we think in terms of languages and images which we did not invent, but which were given to us by our society.

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

There is an art, or rather a knack to flying. The knack lies in learning how to throw yourself at the ground and miss.

You are the bows from which your children as living arrows are sent forth.

Nothing is so strong as gentleness, nothing so gentle as real strength

Reflect upon your present blessings, of which every man has many; not on your past misfortunes, of which all men have some.

Wisdom is not the product of schooling, but of the lifelong attempt to acquire it.

Knowledge speaks, but wisdom listens

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

Convictions are more dangerous enemies of truth than lies.

When you undervalue what you do, the world will undervalue who you are

It is always advisable to perceive clearly our ignorance.

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

Experience teaches us that it is much easier to prevent an enemy from posting themselves than it is to dislodge them after they have got possession.

There is always time to add a word, never to withdraw one.

I hear and I forget. I see and I remember. I do and I understand.

The greatest of wealth is the richness of the soul.

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.

The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.

It is not the strength, but the duration, of great sentiments that makes great men.

True knowledge lies in knowing how to live.