金光明最勝王經疏 4.20

4.20

Below, he concludes with the reason. The true principle is such that the path of speech is cut off and the locus of mental activity is extinguished, so it is ineffable. The mind is without form or marks, just like an illusion; having no real activity, it cannot be fashioned. This meaning is identical to the *Mañjuśrī-paripṛcchā-bodhicitta-śāstra*: "Bodhi cannot be attained by the body, nor can it be attained by the mind, because the body is nominal and the mind is illusory." This is extensively explained as in that text. Here, he only asks about the mind.