My wife could turn to me and she may say, 'Why do you love me?' And I can with all honesty look her in the eye and say, 'Because our pheromones matched our olfactory receptors.'

Homeopaths do not have a physical brain, but merely 'skull water' with the memory of brains.

If the Royal Variety Show was put in a matter transportation machine with the Royal Institution Christmas lectures, this is what you'd get.

I thought I better warn you that I am not one of those politically correct comedians, but it turns out that also I'm not really that racist, homophobic or woman hating either, so you might not notice

My life is constant revision but it's not revision, a lot of it is for the first time.

They gave 12 monkeys a typewriter for a week, and after a week, they only used it as a bathroom.

There can be a science to joke writing, there are certainly rules and patterns that can be followed, but I think most of the best comedy goes beyond the rules.

We very quickly forget about the wonderful things we've got. People lose their excitement because there's too much. Basically we're experiencing nothing, because everything is available to us.

I'm glad the universe is pointless. It means if I get to the end of my life, the universe can't turn to me and go, 'What have you been doing, you idiot? That's not the point!

Wherever you are on Earth, there is more life present than in the rest of the known universe.

Science is very cross-generational; you're not just aiming it at twentysomethings, or eightysomethings. Every town's got a really broad selection of people and age groups interested in science.

I was ripped from my body, I was less than spirit, less than the meanest ghost . . . but still, I was alive.

Egotorial: An editorial in broadcasting or print media where the subject matter is secondary to the superficial, pretentious, antagonistic, or materialistic ego of the author.

You dare quarrel with me Doerwyne?She wrinkled her nose. "It's not quarreling to express an opinion'""Women don't have opinions.""Then I must be a man, because I have plenty.

Emotions are enmeshed in the neural networks of reason.

What more valuable than Gold? Diamonds. Than Diamonds? Virtue.

Good manners are a sign of strength.

I didn't want the headache of having a publisher reviewing everything I wrote in advance.

It does not seem to me to be sufficiently recognized everywhere among the officials that the existence or non-existence of our people and Empire is at stake.

A profound unmitigated loneliness is the only truth of life.

There are more than enough to fight and oppose; why waste good time fighting the people you like?