"If you attended (a study session) strictly adopt three attitudes; there is no fourth. First: You can lock yourself in the silence of ignorance. Second: If you do not behave as such, ask for the questions a man seeking to learn asks…. This man will ask only about what he does not know, not about what he knows. Asking about matters one knows is making proof of ineptitude; this is only ranting, waste of time for everyone…. If the person you are questioning does not give satisfactory answers, stop questioning… Third: You can answer like a scientist, refuting clearly the other’s arguments. If you are not capable of that, do not insist….”"