The junior monk should arrange his upper robe over one shoulder, squat on his heels, raise his joined palms, and say to the senior monk: ‘I’m pure, venerable. Please remember me as pure.’ And he should repeat this two more times.” At one time on the observance day, a monk was staying in a certain monastery by himself. “The Buddha has instructed that the Monastic Code should be recited when there are four monks and that the observance-day ceremony should be done by declaring purity when there are two or three. But I’m here by myself. So how should I do the observance-day ceremony?” “On the observance day, a monk may be staying by himself in a certain monastery. He should sweep the place where the monks normally go: whether the assembly hall, under a roof cover, or at the foot of a tree. He should set out water for drinking and water for washing. He should prepare a seat, light a lamp, and sit down.