The worst, the most difficult thing I think is that the more you become intrigued by science and the information is out there, the more you are aware of the paucity of your own knowledge.

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.

Sometimes it's a form of love just to talk to somebody that you have nothing in common with and still be fascinated by their presence.

Rule 1: Be kind.Rule 2: Don't be a doormat when they step on you.Kindness and sticking up for yourself go hand in hand if you want happiness.

When we honestly take stock of our ability, we are then granted the opportunity to improve our circumstance. Accessing where you stand is the only way to stand somewhere else.

Be content with what nature made you, or run the risk of earning contempt by trying to be what you're not.

In a well-made garden every day is new.

The worst lies of all are the ones we tell ourselves. They are the most damaging.

Give me simplicity, that I may live, So live and like, that I may know Thy ways, Know them and practise them: then shall I give For this poor wreath, give Thee a crown of praise.

Any woman or man who would write the truth of their lives would write a great work. But no one has dared to write the truth of their lives.

I'm really happy in Liverpool and the club feels such a family. I feel great, I have a nice house and my family have been here from the beginning so they could help me.

I never failed. It just didn't work 10,000 times.