Not the perversities of others, not their sins of commission or omission, but his own misdeeds and negligences should a sage take notice of.
Na paresaṁ vilomāni, na paresaṁ katākataṁ; Attanova avekkheyya, katāni akatāni ca.
Dhammapada 50
The same idea in other traditions
Blessed are the meek: for they shall inherit the earth.
When pride cometh, then cometh shame; But with the lowly is wisdom.
Nor walk on the earth with insolence: for thou canst not rend the earth asunder, nor reach the mountains in height.
Call everyone exalted; no one seems lowly. The One Lord has fashioned the vessels, and His One Light pervades the three worlds.
The Master said, "He who requires much from himself and little from others, will keep himself from being the object of resentment."
Despised by such-like people, the wise man, with undisturbed mind, sustains their words and blows, as a rock is not shaken by the wind.
Lay not reproach at the drunkard’s door / Oh Fanatic, thou that art pure of soul; / Not thine on the page of life to enrol / The faults of others! Or less or more / I have swerved from my path—keep thou to thine own! / For every man when he reaches the goal / Shall reap the harvest his hands have sown. …