Note 1 — Silkworms

This statement refers only to the Heavens of Sensuous Pleasure,—not to the Paradise of Amida, nor to those heavens into which one enters by the Apparitional Birth. But even in the highest and most immaterial zones of being,—in the Heavens of Formlessness,—the cessation of effort and of the pain of effort, involves the penalty of rebirth in a lower state of existence.