I notice men themselves have never invented a god capable of understanding them. - Edgar Pangborn

I learned some years back that human nature is volatile stuff in a world full of lighted matches.

At one point early in his journal Dr. Bannerman describes himself as “a naturalist of the puttering type—I would rather sit on a log then write monographs: it pays off better.”

I wonder," said Abraham, "if I'd ever think I knew enough to act.
"If you don't, then study all your life and talk a little when you believe you have something to say."