百界

The ten realms each of ten divisions, so called by the Tiantai school, i. e. of hells, ghosts, animals, (sa) asuras, men, (sa) devas, (sa) śrāvakas, (sa) pratyekabuddhas, bodhisattvas, and Buddhas. Each of the hundred has ten qualities, making in all 百界千如 the thousand qualities of the hundred realms; this 1, 000 being multiplied by the three of past, present, future, there are 3, 000; to behold these 3, 000 in an instant is called 一念三千 (一念三千之觀法) and the sphere envisaged is the 百界千如.