I agree with Nietzsche when he said:
"I call Christianity the one great curse, the one great intrinsic depravity, the one great instinct for revenge for which no expedient is sufficiently poisonous, secret, subterranean, petty — I call it the one immortal blemish of mankind"
Sec. 62 The Anti-Christ - Nietzsche
Extraordinary claims require extraordinary evidence.
The master: George Carlin.
My "aha!" moment when I realized I was an atheist came from watching some of George Carlin's standup
"No — you talk to God, you’re religious. God talks to you — you’re psychotic."
"Rational arguments don’t usually work on religious people. Otherwise there would be no religious people."
Both from House, they've got other good ones :P