Letter 69 — On Rest and Restlessness (§5)

“Vices tempt you by the rewards which they offer; but in the life of which I speak, you must live without being paid. Scarcely will a whole life-time suffice to bring our vices into subjection and to make them accept the yoke, swollen as they are by long-continued indulgence; and still less, if we cut into our brief span by any interruptions. Even constant care and attention can scarcely bring any one undertaking to full completion.”