No human being has brain enough, or knowledge enough, or experience enough, to say whether there is, or is not, a God. Into this darkness Science has not yet carried its torch. No human being has gone beyond the horizon of the natural. As to the existence of the supernatural, one man knows precisely as much, and exactly as little as another. Upon this question, chimpanzees and cardinals, apes and popes, are upon exact equality. The smallest insect discernible only by the most powerful microscope, is as familiar with this subject, as the greatest genius that has been produced by the human race.
Robert Green Ingersoll – “God in the Constitution”