For simplicity one can think of the + class as having one extra base at some point or other in the genetic message and the - class as having one too few.

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.

A busy life is a wasted life.

A good scientist values criticism almost higher than friendship: no, in science criticism is the height and measure of friendship.

The dangerous man is the one who has only one idea, because then he'll fight and die for it.

If the code does indeed have some logical foundation then it is legitimate to consider all the evidence, both good and bad, in any attempt to deduce it.

One of the most frightening things in the Western world, and in this country in particular, is the number of people who believe in things that are scientifically false. If someone tells me that the earth is less than 10,000 years old, in my opinion he should see a psychiatrist.