The four classes ofdevas include (1) 名天 famous rulers on earth styled 天王, 天子; (2) 生天 the highest incarnations of the six paths; (3) 淨天 the pure, or the saints, fromśrāvakas topratyekabuddhas, and (4) 義天 all bodhisattvas above the ten stages 十住. The Buddhas are not included; 智度論 22.