折疑論 2.165

2.165

以是論之。則麁細之行顯然（麁行者。孟子等言也。細行者。如來之行也）。

Discussing it in this manner, the coarse and subtle levels of conduct become evident (coarse conduct refers to the statements of Mencius and others; subtle conduct refers to the conduct of the Tathāgata).