and frequently what seems a sharp and telling illustration may be wittily turned against you, so as to cause a laugh at your expense: therefore do not rely upon your metaphors and parables. Even a second-rate man may defend himself from a superior mind if he can dexterously turn his assailant’s gun upon himself. Here is an instance which concerns myself, and I give it for that reason, since these lectures have all along been autobiographical. I give a cutting from one of our religious papers. “Mr.