大乘義章 11.59

11.59

四無量義八門分別（釋名辨性一　開合制立二　次第三　三緣分別四　體用分別五　修得之義六　就處分別七　大小無量差別八）

The doctrine of the four immeasurables is distinguished in eight sections: 1. Explaining the names and discerning the nature; 2. Opening, combining, establishing, and enacting; 3. Sequence; 4. Distinguishing the three conditions; 5. Distinguishing essence and function; 6. The meaning of attainment through cultivation; 7. Distinguishing according to realms; 8. Distinctions between the great and small immeasurables.