We take other men’s knowledge and opinions upon trust; which is an idle and superficial learning. We must make it our own. We are in this very like him, who having need of fire, went to a neighbour’s house to fetch it, and finding a very good one there, sat down to warm himself without remembering to carry any with him home.--[Plutarch, How a Man should Listen.]--What good does it do us to have the stomach full of meat, if it do not digest, if it be not incorporated with us, if it does not nourish and support us? Can we imagine that Lucullus, whom letters, without any manner of experience, made so great a captain, learned to be so after this perfunctory manner?--[Cicero, Acad., ii. I.]--We suffer ourselves to lean and rely so strongly upon the arm of another, that we destroy our own strength and vigour. Would I fortify myself against the fear of death, it must be at the expense of Seneca: would I extract consolation for myself or my friend, I borrow it from Cicero. I might have found it in myself, had I been trained to make use of my own reason. I do not like this relative and mendicant understanding; for though we could become learned by other men’s learning, a man can never be wise but by his own wisdom: