To illustrate the vain conceit that the universe must be somehow pre-ordained for us, because we are so well-suited to live in it, he [Douglas Adams] mimed a wonderfully funny imitation of a puddle of water, fitting itself snugly into a depression in the ground, the depression uncannily being exactly the same shape as the puddle.

By all means let's be open-minded, but not so open-minded that our brains drop out. -this quote is actually found in Carl Sagan's book The Demon Haunted World: Science as a Candle in the Dark, where he attributes it to engineer James Oberg, who says he stole it from someone else.

[Creationists have] lost in the courts of law; they've long ago lost in the halls of science; and they continue to lose with every new piece of evidence in support of evolution. Taking offense is all they've got left.

Be warned that if you wish, as I do, to build a society in which individuals cooperate generously and unselfishly towards a common good, you can expect little help from biological nature. Let us try to teach generosity and altruism, because we are born selfish.

Science has eradicated smallpox, can immunise against most previously deadly viruses, can kill most previously deadly bacteria. Theology has done nothing but talk of pestilence as the wages of sin.

Religious faith, is a state of mind, that leads people to believe in something, it doesn't matter what, without a whisper of doubt, or a whiff of evidence, and believe so strongly in some cases, that they are prepare to kill and die for it, without the need for further justification.

We are built as gene machines and cultured as meme machines, but we have the power to turn against our creators. We, alone on earth, can rebel against the tyranny of the selfish replicators.