“Everyone has to have a sense of duty. A duty to society, to their family. I mean, you name it.”

As so often happens, I discover that it would have been better to keep my mouth shut.

Human population growth is probably the single most serious long-term threat to survival.

A gun is no more dangerous than a cricket bat in the hands of a madman.

If I were reincarnated I would wish to be returned to Earth as a killer virus to lower human population levels.

I have frequently been misrepresented. I don’t hate the press; I find a lot of it is very unpalatable.

British women can’t cook.

It’s a pleasure to be in a country that isn’t ruled by its people.

The man who invented the red carpet needed his head examined.

Everything that wasn’t invented by God is invented by an engineer.

Dontopedalogy is the science of opening your mouth and putting your foot in it, which I’ve practised for many years.

All money nowadays seems to be produced with a natural homing instinct for the Treasury.

We live in what virtually amounts to a museum – which does not happen to a lot of people.

I had been playing polo, and I decided to give up at the age of 50.

Wildlife of the world is disappearing, not because of a malicious and deliberate policy of slaughter and extermination, but simply because of a general and widespread ignorance and neglect.

Anyone who is concerned about his dignity would be well advised to keep away from horses.

It’s better to get out before you reach the sell-by date.

It’s the sense of duty that keeps you going sometimes when things get very, very rough. Somebody’s got to do it. And if you don’t, who will?

As a Christian, I have no duty to allow myself to be cheated, but I have the duty to be a fighter for truth and justice.

In my view, aiming at simplicity and lucidity is a moral duty of all intellectuals: lack of clarity is a sin, and pretentiousness is a crime.

Voting is the most powerful right of every citizen and it is our duty to exercise our vote.

For it is the duty of an astronomer to compose the history of the celestial motions through careful and expert study.

Do your duty and a little more and the future will take care of itself.

It is our duty to fight for our freedom. It is our duty to win. We must love each other and support each other. We have nothing to lose but our chains.

The first duty of a revolutionary is to be educated.