A knowledge of the true age of the Earth and of the fossil record makes it impossible for any balanced intellect to believe in the literal truth of every part of the Bible in the way that fundamentalists do.

How is the base sequence, divided into codons? There is nothing in the backbone of the nucleic acid, which is perfectly regular, to show us how to group the bases into codons.

A theory should not attempt to explain all the facts, because some of the facts are wrong

Jim and I hit it off immediately, partly because our interests were astonishingly similar and partly, I suspect, because a certain youthful arrogance, a ruthlessness, an impatience with sloppy thinking can naturally to both of us.

A man who is right every time is not likely to do very much.

If poly A is added to poly U, to form a double or triple helix, the combination is inactive.

Chance is the only source of true novelty.