成唯識論演祕 3.302

3.302

答：隨順轉故，由彼展轉相隨，順生不相妨礙。又由如是種類三業，增上所感，如是而生。何以故？一切色聚，一切色根共受用故。

Answer: Because they turn in mutual conformity; through their revolving in mutual conformity and arising in harmony, they do not obstruct one another. Furthermore, through being predominantly produced by such types of three karmas, they arise in this way. Why is this? Because all material aggregates are commonly enjoyed by all material sense-faculties.