When we talk about genes for anything, like a gene for being gay or a gene for being aggressive or something of that sort, that a gene for anything may not have been a gene for that thing under different environmental conditions.

The so-called sophisticated theologians, especially ones who are very nice, like Rowan Williams and Jonathan Sacks, you sometimes don't quite know where you are with them. You feel that when you attack them, you're attacking a wet sponge.

I'm quite a softy, yes. I have a blank spot with respect to visual art, but I have perhaps a compensating hypersensitivity to poetry and music.

I shall not make an argument ad hominem. My argument is ad bullshitem.

Part of the appeal was that Medawar was not only a Nobel Laureate, but he seemed like a Nobel Laureate; he was everything one thought a Nobel Laureate ought to be. If you have ever wondered why scientists like Popper, try Medawar's exposition. Actually most Popperian scientists have probably never tried reading anything but Medawar's exposition.

Evolution is just a theory? Well, so is gravity and I don't see you jumping out of buildings.

... you need more than luck to navigate successfully through a thousand sieves in succession.