成唯識論述記 1.606

1.606

述曰：自下破麁果色應非色根取。量云：所執實麁果色應非色根所得；與極微量等故；猶如極微。若不言實色根所得，即違自執，自執許色根得諸麁色果故。

The Commentary states: From this point onward, it is refuted that coarse material effects should not be apprehended by physical sense faculties. The syllogism is: The posited substantially real, coarse material effect should not be apprehended by physical sense faculties; because it is equal in size to an atom; just like an atom. If you do not say that it is apprehended by real physical sense faculties, you contradict your own thesis, because your own thesis accepts that physical sense faculties apprehend all coarse material effects.