Letter 478: Correct belief and correct life are not the same thing, Antiochos, but neither are they separable in the end.

The good farmers must keep watch and guard, and so forth. Various textual notes on catena readings: where the published text reads one form, the catena reads another — for example, the published text has "if not," while the catena reads "unless"; the published text has "we had betrayed," while the catena has "we betray"; and where the published text says the enemy "found" opportunity among us and "wrought tares worthy of fire," the catena instead reads that the enemy "might find" and "might not have wrought tares worthy of fire in us" — that is, evil thoughts proceeding from the heart and stirring up the person.