I Believe In Quotes (page 33)
Alice laughed: "There's no use trying," she said; "one cannot believe impossible things."I daresay you haven't had much practice," said the Queen. "When I was your age, I always did it for half-an-hour a day. Why, sometimes I've believed in as many as six impossible things before breakfast.
Lewis Carroll
And he judged of others by himself, not believing in what he saw, and always believing that every man had his real, most interesting life under the cover of secrecy and under the cover of night. All personal life rested on secrecy, and possibly it was partly on that account that civilised man was so nervously anxious that personal privacy should be respected.
Anton Chekhov
If you're an atheist, you know, you believe, this is the only life you're going to get. It's a precious life. It's a beautiful life. Its something we should live to the full, to the end of our days. Where if you're religious and you believe in another life somehow, that means you don't live this life to the full because you think you're going to get another one. That's an awfully negative way to live a life. Being a atheist frees you up to live this life properly, happily and fully
Richard Dawkins