Thinks WB’s proposal a very good one. CD could suggest two or three subjects for essays with respect to the vegetable kingdom, but they would require a long course of experiments "& unfortunately there is hardly any one in this country who seems inclined to devote himself to experiments".

The strongest argument for the existence of God is the intuitive feeling that there must have been an intelligent beginner of the universe; "but then comes the doubt and difficulty whether such intuitions are trustworthy". CD is forced to leave the problem insoluble. "No man who does his duty has anything to fear, and may hope for whatever he earnestly desires."

Sends his autograph.