Charles Darwin — "I have gradually come to disbelieve in Christianity as a divine revelation."

"I feel most deeply that the whole subject is too profound for the human intellect. A dog might as well speculate on the mind of Newton."

"I confess I am not much interested in the future, for I am too much occupied with the present."

"There is grandeur in this view of life, with its several powers, having been originally breathed into a few forms or into one; and that whilst this planet has gone cycling on according to the fixed la…"

"The more civilized so-called Caucasian races have beaten the Turkish hollow in the struggle for existence."

"Man in his arrogance thinks himself a great work, worthy of the interposition of a deity. More humble and I believe truer to consider him created from animals."