The only virtue a character needs to possess between hardcovers, even if he bears a real person's name, is vitality: if he comes to life in our imaginations, he passes the test.

Perhaps in a book review it is not out of place to note that the safety of the state depends on cultivating the imagination.

As a rule, the most dangerous ideas are not the ones that divide people but those on which they agree.

Whenever you hear the word "inevitable", watch out! An enemy of humanity has identified himself.

The truth is that our race survived ignorance; it is our scientific genius that will do us in.

Is it possible that I am not alone in believing that in the dispute between Galileo and the Church, the Church was right and the centre of man's universe is the earth?

When you close your eyes to tragedy, you close your eyes to greatness.