The universe is a strange and wondrous place. The truth is quite odd enough to need no help from pseudoscientific charlatans.

To fill a world with ... religions of the Abrahamic kind, is like littering the streets with loaded guns. Do not be surprised if they are used.

Religion is nothing more than a useless and sometimes dangerous, evolutionary accident. Religious behavior may be a misfiring, an unfortunate byproduct of an underlying psychological propensity which in other circumstances is, or once was, useful.

The idea that God could only forgive our sins by having his son tortured to death as a scapegoat is surely, from an objective point of view, a deeply unpleasant idea. If God wanted to forgive us our sins, why didn't he just forgive them? Why did he have to have his son tortured?

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.

The story of Doubting Thomas is told, not so that we shall admire Thomas, but so that we can admire the other apostles in comparison. Thomas demanded evidence … The other apostles, whose faith was so strong that they did not need evidence, are held to us as worthy of imitation.

The human psyche has two great sicknesses: the urge to carry vendetta across generations, and the tendency to fasten group labels on people rather than see them as individuals.