We must not forget that when radium was discovered no one knew that it would prove useful in hospitals.

Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.

First principle: never to let one's self be beaten down by persons or by events.

Be less curious about people and more curious about ideas.

Nothing in this world is to be feared... only understood.

You cannot hope to build a better world without improving the individuals.

A scientist in his laboratory is not a mere technician: he is also a child confronting natural phenomena that impress him as though they were fairy tales.

I never see what has been done; I only see what remains to be done.

Each of us must work for his own improvement, and at the same time share a general responsibility for all humanity.

We must have perseverance and above all confidence in ourselves.

The older one gets, the more one feels that the present must be enjoyed; it is a precious gift, comparable to a state of grace

The strong survive.

I think more than writers, the major influences on me have been European movies, jazz, and Abstract Expressionism.

Artists can no more speak about their work, than plants can speak about horticulture.

Limits the Romans' anxieties to two things - bread and games.

There is no such thing as collective guilt.

It is my belief, based partly on personal experience but partly also arrived at by looking around at others, that childhood lasts considerably longer in the males of our species than in the females.

My nonviolence does recognize different species of violence, defensive and offensive.

If you do not let go of thinking about forms, you will not understand what I am showing.

Those who are inclined to compromise never make a revolution.

States are violent to the extent that they have the power to act in the interests of those with domestic power