Those who raise questions about the God hypothesis and the soul hypothesis are by no means all atheists. Conversations with Carl Sagan (2006)
An atheist has to know a lot more than I know. An atheist is someone who knows there is no god. By some definitions, atheism is very stupid. Conversations with Carl Sagan (2006)
To be certain of the existence of God and to be certain of the nonexistence of God seem to me to be the confident extremes in a subject so riddled with doubt and uncertainty as to inspire very little confidence indeed. Conversations with Carl Sagan (2006)