Conversations with Carl Sagan pg 70"Those who raise questions about the God hypothesis and the soul hypothesis are by no means all atheist. An atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God. I know of no such compelling evidence. Because God can be relegated to remote times and places and to ultimate causes, we would have to know a great deal more about the universe than we do know to be sure that no such God exist ..."
It seems to me that the good Professor Sagan was agnostic in his views about a deity