² For all of us fall short in many ways. Anyone who never makes a mistake in speech has reached perfection^[a] and is able to control every part of his body.

³ When we put a bit into a horse’s mouth to make it obey us, we also guide its entire body. ⁴ Or think of ships. Even though they are large and are driven by strong winds, they are steered by a very small rudder on whatever course the helmsman chooses.