I think by the age of about nine I recognized that there were a lot of different religions, and it was an accident I happened to be born into one of them. If I had been born somewhere else, I would have had a different one. Which is a pretty good lesson, actually. Everyone should learn that.

‎"Matter flows from place to place, and momentarily comes together to be you. Some people find that thought disturbing; I find the reality thrilling.

I am not absolutely positive there is no god. Only in the sense that I'm not absolutely positive there is no large china teapot in orbit in the solar system.

Such is the breathtaking speciesism of our Christian-inspired attitudes, the abortion of a single human zygote can arouse more moral solicitude and righteous indignation than the vivasection of any number of intelligent adult chimpanzees! The only reason we can be comfortable with such a double standard is that the intermediates between humans and chimps are all dead.

The thing that defines a species is that all members have the same addressing system for their DNA.

In the case of Stalinism, people actually distorted science, because it was for the good of the Communist Party.

It is absolutely safe to say that if you meet somebody who claims not to believe in evolution, that person is ignorant, stupid or insane (or wicked, but I'd rather not consider that).