Dukkhasutta

“So vata, bhikkhave, bhikkhu kañci saṅkhāraṁ sukhato samanupassanto …pe… sabbasaṅkhāre dukkhato samanupassanto …pe… ṭhānametaṁ vijjati”. Catutthaṁ.

“Mendicants, it is quite impossible for a mendicant who regards any condition as pleasurable to accept views that agree with the teaching. … It’s quite possible for a mendicant who regards all conditions as suffering to accept views that agree with the teaching. …”