I am not advocating a morality based on evolution. I am saying how things have evolved. I am not saying how we humans morally ought to behave.

We are survival machines - robot vehicles blindly programmed to preserve the selfish molecules known as genes. This is a truth which still fills me with astoni…

Let us try to teach generosity and altruism, because we are born selfish.

The argument of this book is that we, and all other animals, are machines created by our genes.

'[P]eople talk about the potential for good that can come from destroying these little embryos and how we might be able to solve the problem of juvenile diabet…

Science is a magnificent force, but it is not a teacher of morals. It can perfect machinery, but it adds no moral restraints to protect society from the misuse…

In war, science has proven itself an evil genius; it has made war more terrible than it ever was before. Man used to be content to slaughter his fellowmen on a…