瑜伽論記 9.337

9.337

重辨中，先解化身。言若所化身與菩薩身極相似者，名所化身與自相等者，以菩薩自起化故故化佛菩薩極相似，各自相似，不爾非似。

In the re-examination, it first explains the manifested body. Where it says, "If the manifested body is extremely similar to the bodhisattva's body, it is called the manifested body being equal in characteristics to oneself": because the bodhisattva manifests it from himself, the manifested Buddha or bodhisattva is extremely similar, each resembling himself; otherwise, it is not similar.