Let us work as if success depended upon ourselves alone but with heartfelt conviction that we are doing nothing and God everything.

It is dangerous to make everybody go forward by the same road: and worse to measure others by oneself.

I write because, as wonderful as life is - and it is truly wonderful - it isn't enough. It does not, for example, contain dragons. I find this unsatisfactory. So I read. And I write.

There are times you wake up in the middle of the night, fingers hit the keyboard and you allow words to flow. That is a writer.

Almost 50 years old now, some 30 years after graduation, I look at my Caltech classmates and conclude that math whizzes do not take over the world.

The independence of all political and other bother is a happiness.

So I cut off my hair and I rode straight away, to the wild unknown country where I could not go wrong.

A dishonest yes is a no to yourself.

However bad a man, he will have some friends: however good, he will have some enemies.

It is the most wonderful feeling in the world, knowing you are loved and wanted

Consumption never creates wealth.

When I get my hands on painting materials I don't give a damn about other people's painting... every generation must start again afresh.