When you would suffocate or ignore dissent, remember how many times you dissented.

Sometimes true tolerance requires an extraordinary strength, which we are often too weak to exercise.

Do not confuse fantasy with imagination; the former consumes itself in daydreaming, the latter stimulates creativity in the arts and in the sciences.

Personal dignity is to be measured with the yardstick of one's conscience, not with that of other people's judgement.

We learn a lot from the mistakes of others, but even more from our own.

Unlike money, hope is all: for the rich as well as for the poor.

Inner freedom demands the rejection of any imposition that injures our dignity.