“The good life is inspired by love and guided by knowledge.”

Three passions, simple but overwhelmingly strong, have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind.

Fear is the parent of cruelty, and therefore it is no wonder if cruelty and religion have gone hand in hand.

It has been said that man is a rational animal. All my life I have been searching for evidence that could support this.

Anything you’re good at contributes to happiness.

We love our habits more than our income, often more than our life.

Sin is geographical.

Mathematics, rightly viewed, possesses not only truth but supreme beauty – a beauty cold and austere.

Extreme hopes are born from extreme misery.

Science may set limits to knowledge, but should not set limits to imagination.

Machines have altered our way of life, but not our instincts. Consequently, there is maladjustment.

Every man, wherever he goes, is encompassed by a cloud of comforting convictions, which move with him like flies on a summer day.

Never try to discourage thinking, for you are sure to succeed.

I believe in using words, not fists. I believe in my outrage knowing people are living in boxes on the street. I believe in honesty. I believe in a good time. I believe in good food. I believe in sex.

The most savage controversies are those about matters as to which there is no good evidence either way.

This has been my life. I have found it worth living, and would gladly live it again if the chance were offered to me.

Conquer the world by intelligence, and not merely by being slavishly subdued by the terror that comes from it.

I’ve never been an idiot – I was a smart girl but I’d do stupid things like go around Asda and nick stuff because my friends told me to. I was a good girl as a teenager.

The cheerful live longest in years, and afterwards in our regards. Cheerfulness is the off-shoot of goodness.

Surround yourself with good people. People who are going to be honest with you and look out for your best interests.

Singing wasn’t a reality for me, until other people started noticing I sounded good.

I’m not good with catty girls. I’m too laid-back.

Wow, I get to wake up again? Ok. You have to make good with what you’ve got.

There’s a little exhaust pipe leaking gasoline, and that gasoline is how good your music is, the gasoline is how you have relationships with people.

Sometimes I sit and think about all of the things I’ve lost and I ask the universe why it takes good things from me.