Either it is true that a medicine works or it isn't. It cannot be false in the ordinary sense but true in some alternative sense. If a therapy or treatment is anything more than a placebo, properly conducted double-blind trials, statistically analyzed, will eventually bring it through with flying colours. Many candidates for recognition as orthodox medicines fail the test and are summarily dropped. The alternative label should not (though, alas, it does) provide immunity from the same fate.

All animals are minor variations on a very particular theme.

If you don't know anything about computers, just remember that they are machines that do exactly what you tell them but often surprise you in the result.

I am agnostic only to the extent that I am agnostic about fairies at the bottom of the garden

The genetic code is not a binary code as in computers, nor an eight-level code as in some telephone systems, but a quaternary code with four symbols. The machine code of the genes is uncannily computerlike.

Evolution may explain some features of the moral law, but it can't explain why it should have any real significance.

If you look up at the Milky Way through the eyes of Carl Sagan, you get a feeling in your chest of something greater than yourself. And it is. But it's not supernatural.