Without approval and without scorn, but carefully studying the sentences word by word, one should trace them in the Discourses and verify them by the Discipline. If they are neither traceable in the Discourses nor verifiable by the Discipline, one must conclude thus: 'Certainly, this is not the Blessed One's utterance; this has been misunderstood by that bhikkhu - or by that community, or by those elders, or by that elder.' In that way, bhikkhus, you should reject it.
If you see an intelligent man who tells you where true treasures are to be found, who shows what is to be avoided, and administers reproofs,follow that wise man ; it will be better, not worse, for those who follow him.
I do not perceive even one other thing, O monks, that when undeveloped and uncultivated entails such great suffering as the mind. The mind when undeveloped and uncultivated entails great suffering.
Look upon him who shows you your faults as a revealer of treasure: seek his company who checks and chides you, the sage who is wise in reproof: it fares well and not ill with him who seeks such company.
All have I overcome, all do I know. From all am I detached. All have I renounced. Wholly absorbed am I in ``the destruction of craving. Having comprehended all by myself, whom shall I call my teacher.
Freed by full realization and at peace, the mind of such a man is at peace, and his speech and action peaceful. He has no need for faith who knows the uncreated, who has cut off rebirth, who has destroyed any opportunity for good or evil, and cast away all desire. He is indeed the ultimate man.