6.
The Discourse on Origin
131.
They were dwelling at Bārāṇasī in the Deer Park at Isipatana, etc.
"'Ignorance, ignorance', friend Sāriputta, is said.
What indeed, friend, is ignorance, and in what way is one gone to ignorance?"
"Here, friend, an ignorant worldling does not understand as it really is the origin, passing away, gratification, danger, and escape regarding matter. In feeling, etc. in perception, of activities... does not understand as it really is the origin, passing away, gratification, danger, and escape regarding consciousness. This is called, friend, ignorance; and to this extent one is gone to ignorance." The sixth.