金光明最勝王經疏 4.363

4.363

經　「無明自性本是無，藉眾緣力和合有，於一切時失正慧，故我說彼為無明。」

The sūtra [states]:
"The intrinsic nature of ignorance is originally nonexistent;
It exists through the combination and power of many conditions.
Lacking correct wisdom at all times,
Therefore I teach that it is ignorance."