When you look at the Moon, you think, ‘I’m really small. What are my problems?’ It sets things into perspective. We should all look at the Moon a bit more often.

I'm also interested in the modern suggestion that you can have a combination of love and sex in a marriage - which no previous society has ever believed.

Though debts are condemned in the financial world, the world of friendship and love may perversely depend on well-managed debts.

We accept the need to train extensively to fly a plane; but think instinct should be enough for marrying and raising kids.

We wanted to test each other's capacity for survival: only if we had tried in vain to destroy one another would we know we were safe.

Let's say you went to Harvard or Oxford or Cambridge, and you said, 'I've come here because I'm in search of morality, guidance and consolation; I want to know how to live,' - they would show you the way to the insane asylum.

Being funny should be an incidental byproduct of trying to get to something truthful, not a destination in itself.