² All of us make many mistakes, after all. If anyone makes no mistakes in what they say, such a person is a fully complete human being, capable of keeping firm control over the whole body as well. ³ We put bits into the mouths of horses to make them obey us, and then we can direct their whole bodies. ⁴ Consider, too, the case of large ships; it takes strong winds to blow them along, but one small rudder will turn them whichever way the helmsman desires and decides.