大乘起信論略述 2.153

2.153

論。或示超地至不可思議　述曰。此隨根延促德。文中三義。謂促延結。文易可知。

[Treatise:] Or they manifest transcending stages ... inconceivable. [Commentary:] This is the virtue of extending or shortening [lifespans] in accordance with capacities. In the text there are three senses: namely, shortening, extending, and concluding. The text is easy to understand.