瑜伽論記 7.534

7.534

自下自觀亦如是生，若於自他去來諸蘊緣性緣起作意思惟名於內外身受心法住彼修觀者，若緣自他過去已受諸蘊名內，未來未受諸蘊名外。

Below, contemplating oneself as also being born in this way: if one applies attention and reflects upon the conditionality and dependent arising of past and future aggregates of oneself and others, this is called abiding in cultivating the contemplation of the body, feelings, mind, and phenomena internally and externally; if one takes as object the aggregates already experienced in the past by oneself and others, it is called internal; if one takes as object the aggregates not yet experienced in the future, it is called external.