I found I wasn't asking good enough questions because I assumed I knew something. I would box them into a corner with a badly formed question, and they didn't know how to get out of it. Now, I let them take me through it step by step, and I listen.
“By philosophy the mind of man comes to itself, and from henceforth rests on itself without foreign aid, and is completely master of itself, as the dancer of his feet, or the boxer of his hands.”