Intelligence is a moral category.

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

He who chooses the beginning of the road chooses the place it leads to.

It is necessary to keep one's compass in one's eyes and not in the hand, for the hands execute, but the eye judges.

In the practice of tolerance, one's enemy is the best teacher.

A person who spends more than he earns is a fool

If we don't believe in freedom of expression for people we despise, we don't believe in it at all.

Sometimes one creates a dynamic impression by saying something, and sometimes one creates as significant an impression by remaining silent.

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

What's real and what's true aren't necessarily the same.

If we can really understand the problem, the answer will come out of it, because the answer is not separate from the problem.

The only real laughter comes from despair.

A good teacher protects his pupils from his own influence.

You can best serve civilization by being against what usually passes for it.

Compassion is the basis of morality.

Don't criticize what you can't understand.

Loneliness adds beauty to life. It puts a special burn on sunsets and makes night air smell better.

Those who dance are considered insane by those who cannot hear the music.

The ultimate authority must always rest with the individual's own reason and critical analysis.

The experience gathered from books, though often valuable,is but the nature of learning whereas the experience gained from actual life is of the nature of wisdom.

It is better to be looked over than overlooked.