There are five billion people living on this planet. But you fall in love with one particular person, and you won't swap her for any other.

And although I have seen nothing but black crows in my life, it doesn't mean that there's no such thing as a white crow. Both for a philosopher and for a scientist it can be important not to reject the possibility of finding a white crow. You might almost say that hunting for 'the white crow' is science's principal task.

As a Roman philosopher, Cicero, said of him a few hundred years later, Socrates 'called philosophy down from the sky and established her in the towns and introduced her into homes and forced her to investigate life, ethics, good and evil.

We do not believe in the notion of God's chosen people. We laugh at this people's fancies and weep over its misdeeds. To act as God's chosen people is not only stupid and arrogant, but a crime against humanity. We call it racism.

There exists a world. In terms of probability this borders on the impossible. It would have been far more likely if, by chance, there was nothing at all. Then, at least, no one would have began asking why there was nothing.

Love, your own witch-daughter, Queen of the Mirror and the Highest Protector of Irony

Every single morning I wake with a bang,' he said. 'It's as though the fact that I am alive is injected into me; I am a character in a fairytale, bursting with life.