"Words are like X-rays if you use them properly – they'll go through anything. You read yourself and at the end of it you'll be transparent. You'll understand everything."

"You can't be a rationalist in an irrational world. It's a contradiction in terms."

"We are not always what we seem, and there is a great deal of difference between what we are and what we think we are."

"It is a bit embarrassing to have been concerned with the human problem all one's life and to find at the end that one has no more to offer by way of advice than 'Try to be a little kinder.'"

"The most important of all the lessons that history has to teach is that men do not learn very much from the lessons of history."