If you are living in the past or in the future, you will never find a meaning in the present.

As long as his strength permits, the poor mortal must always climb new mountains.

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

A secret remains a secret until you make someone promise never to reveal it.

It is certainly a good thing always to forgive with generosity, but it is no doubt just never to forget the wrongs received: they belong to the route that leads to inner maturity.

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

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