"Man has risen to the very summit of the organic scale; and the fact of his having thus risen, instead of having been aboriginally placed there, is the best proof of his power of development."

"What a book a Devil's Chaplain might write on the clumsy, wasteful, blundering, low, and horridly cruel works of nature!"

"The love for all living creatures is the most noble attribute of man."

"No one can feel more strongly than I do the extreme difficulty of accounting for the origin of species."

"False facts are highly injurious to the progress of science, for they often endure long; but false views, if supported by some evidence, do little harm, for every one takes a salutary pleasure in prov…"