You need philosophy, not the modern bull session kind but the Socratic method of “What the hell am I thinking?”
Many teachers now think of the Socratic method as the technique of encouraging students to say whatever they know about a topic.
Darwin is allowed to wander around in his own mind, and not just for the Socratic, is-he-guilty-or-innocent routine.
1630s (Socratical is from 1580s), "of or pertaining to Greek philosopher Socrates" (469-399 B.C.E.), especially in reference to his method of eliciting truth by question and answer, from Latin Socraticus, from Greek Sokratikos "pertaining to Socrates or his school." His name is Greek Sokrates, literally "having safe might."