Andries van Dantzig, psychiater, emeritus hoogleraar psychotherapie aan de Universiteit van Amsterdam.

I have something to say to the religionist who feels atheists never say anything positive: You are an intelligent human being. Your life is valuable for its own sake. You are not second-class in the universe, deriving meaning and purpose from some other mind. You are not inherently evil -- you are inherently human, possessing the positive rational potential to help make this a world of morality, peace and joy. Trust yourself.

~ Dan Barker