Gotama Buddha

c. 5th century BC · the Ganges plain, India

Do not look at the faults of others, or at what others have done and left undone. Look at what you yourself have done and left undone.

Na paresaṁ vilomāni, na paresaṁ katākataṁ; Attanova avekkheyya, katāni akatāni ca.

Dhammapada 50

In the same thread

1258 · Shiraz, Persia

Whoever brings the faults of others before you and counts them will surely carry your faults before others.

هر که عیب دگران پیش تو آورد و شمرد بی گمان عیب تو پیش دگران خواهد برد

Gulistan (The Rose Garden), chapter 2

1894 · Missouri, USA · Connecticut

Nothing so needs reforming as other people’s habits.

Pudd'nhead Wilson, a chapter epigraph from "Pudd'nhead Wilson's Calendar"

1813 · England

“And your defect is to hate everybody.” “And yours,” he replied with a smile, “is willfully to misunderstand them.”

Pride and Prejudice, chapter 11, Elizabeth and Darcy

c. 5th century BC · the Ganges plain, India

The faults of others are easy to see; one's own are hard to see.

Sudassaṁ vajjamaññesaṁ, attano pana duddasaṁ

Dhammapada 252