Believes it absurd to doubt that a man may be an ardent theist and evolutionist; gives the examples of Kingsley and Asa Gray. As regards CD’s own views, his judgement often fluctuates but "I have never been an Atheist in the sense of denying the existence of God". Thinks that "generally (and more and more as I grow older) … an Agnostic would be the most correct description of my state of mind".