We sat on a crate of oranges and thought what good men most biologists are, the tenors of the scientific world — temperamental, moody, lecherous, loud-laughing, and healthy.[…] Your true biologist will sing you a song as loud and off-key as will a blacksmith, for he knows that morals are too often diagnostic of prostatitis and stomach ulcers. Sometimes he may proliferate a little too much in all directions, but he is as easy to kill as any other organism, and meanwhile he is very good company, and at least he does not confuse a low hormone productivity with moral ethics.

Chapter 4 - The Log from the Sea of Cortez (1951)