To live is not merely to breathe; it is to act; it is to make use of our organs, senses, faculties - of all those parts of ourselves which give us the feeling of existence

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

A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.

If you don't know where you're from, you'll have a hard time saying where you're going.

Peace is not an absence of war, it is a virtue, a state of mind, a disposition for benevolence, confidence, justice.

Real knowledge is to know the extent of one's ignorance.

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

Yesterday is but today's memory and tomorrow is today's dream.

Experience is merely the name men gave to their mistakes.

When I stand before God at the end of my life, I would hope that I would not have a single bit of talent left, and could say, 'I used everything you gave me'.

Nothing fixes a thing so intensely in the memory as the wish to forget it.

I've never known any trouble than an hour's reading didn't assuage.

Let there be spaces in your togetherness.

Learning and wisdom are superfluities, the surface glitter merely, but it is the heart that is the seat of all power.

You want a love which is born out of meditation, not born out of the mind.

To be one, to be united is a great thing. But to respect the right to be different is maybe even greater.

Experience keeps a dear school, but fools will learn in no other.

A crust eaten in peace is better than a banquet partaken in anxiety.

Colorless green ideas sleep furiously

Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more

Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.