If he’s not, then those monks shouldn’t spend the rainy-season residence in that monastery. If they do, they commit an offense of wrong conduct.” 20. Discussion of the passing on of purity Then the Buddha addressed the monks: “Gather, monks, for the Sangha to do the observance-day ceremony.” A monk said to the Buddha, “Sir, there’s a sick monk. He hasn’t come.” “A sick monk should pass on his purity. And he should do it like this. The sick monk should approach a monk, arrange his upper robe over one shoulder, and squat on his heels. He should then raise his joined palms and say,