There’s no such thing as probability," she says, slowly, with minimal movement of her jaw. "Things turn out the way they do.

The future is certain. It is just not known.

He did it because he could not help himself, which explains everything and nothing

To talk of probability is to suggest that events might happen differently from the way they do, whereas events themselves will unfold according to an inevitable path.

Genes do not make an individual homosexual. They play their part, but so does the rest of the universe.

Genes do not make you, any more than brain chemistry makes you hungry, food makes you breathe, breathing makes you die.