"Obedience is the first of all virtues, and the second is silence.

Well, it looks to me as though we had the whole world coming our way, now, along that very same path of virtue.

Once we get this air proposition really to working, the world will obey.

It will have to! And as for silence, we can manage that, too.

The mere turn of a valve, and--!" Waldron smiled grimly, as though in derision of what he seemed to think his partner's chimerical hopes, but made no answer.