I’m guessing but based on my studies of philosophy, Socrates was more interested in the technique of asking questions than of reading nonverbal communication. I

I’m guessing but based on my studies of philosophy, Socrates was more interested in the technique of asking questions than of reading nonverbal communication. In other words, he’d probably have no problems in learning from a blind person and blind people would still benefit from Socratic dialog ( https://en.m.wikipedia.org/wiki/Socratic_method https://en.m.wikipedia.org/wiki/Socratic_method )