Darwin gives courage to the rest of science that we shall end up understanding literally everything, springing from almost nothing - a thought extremely hard to comprehend and believe.

Yesterday's dangerous idea is today's orthodoxy and tomorrow's cliché.

The time has come for people of reason to say: Enough is Enough! Religious faith discourages independent thought, it's divisive and it's dangerous.

Religion ends and philosophy begins, just as alchemy ends and chemistry begins, and astrology ends and astronomy begins.

When I am dying, I should like my life taken out under general anaesthetic, exactly as if it were a diseased appendix.

I've been reading an Alabama newspaper that one man shot another man because he beat him in a Bible-quoting competition.

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.