維摩經玄疏 5.136

5.136

答曰：六識非善非惡，隨緣起善、起惡。菩薩若能知六識非善非惡，而起善惡，同事化物，和光不同塵，即是方便解脫也。

Answer: The six consciousnesses are neither good nor evil; in accord with conditions they give rise to good and give rise to evil. If a bodhisattva can know that the six consciousnesses are neither good nor evil, yet give rise to good and evil, engage in identical actions to transform beings, and blend the light without mingling with the dust, this is precisely the liberation of expedient means.