In matters of truth and justice, there is no difference between large and small problems, for issues concerning the treatment of people are all the same.

The single most important decision any of us will ever make is whether or not to believe the universe is friendly.

Regarding sex education: no secrets!

A human being is a part of the whole called by us universe; a part limited in time and space. He experiences himself, his thoughts, and his feelings as something separate from the rest - a kind of optical delusion of consciousness.

The mathematician knows some things, no doubt, but not those things one usually wants to get from him.

What the individual can do is to give a fine example, and to have the courage to uphold ethical values .. in a society of cynics.

Do you believe in miracles? Well, you should. In fact, life itself is a big miracle. There are so many things that are beyond our understanding. There are two ways to live: you can live as if nothing is a miracle; you can live as if everything is a miracle.