Ghurar al-Ḥikam #7498Imam Ali (AS) said, Whoever disapproves of the faults of people but accepts them in himself, then that is a fool.
Mīzān al-Ḥikma #1324Imam Ali (AS) said, ‘The one who pries into the faults of people, rebukes them and then adopts those faults himself is truly a fool.
Nahj al-Balāgha #1908He who observes the shortcomings of others and disapproves of them and then accepts them for himself is definitely a fool.