Hide the flaws [of others] as much as you can and Allah, the Glorified, will hide for you that which you would like to remain hidden

اسْتُرِ الْعَوْرَةَ مَا اسْتَطَعْتَ يَسْتُرِ اللَّهُ سُبْحَانَهُ مِنْكَ مَا تُحِبُّ سَتْرَهُ

Source : Ghurar Al-Hikam Wa Durar Al-Kalim, Exalted Aphorisms And Pearls Of Speech

Verily everyone has faults, so do not expose that which is hidden from you, for indeed Allah, the Glorified, has hidden them out of clemency; and hide the faults [of others] as much as possible, [and in return] Allah, the Glorified, will hide that which you would like to remain hidden

إِنَّ لِلنَّاسِ عُيُوباً فَلَا تَكْشِفْ مَا غَابَ عَنْكَ فَإِنَّ اللَّهَ سُبْحَانَهُ يَحْكُمُ عَلَيْهَا وَاسْتُرِ الْعَوْرَةَ مَا اسْتَطَعْتَ يَسْتُرِ اللَّهَ سُبْحَانَهُ مَا تُحِبُّ سَتْرَهُ

Source : Ghurar Al-Hikam Wa Durar Al-Kalim, Exalted Aphorisms And Pearls Of Speech

The most hated of all people is the fault-finder

أَمْقَتُ النَّاسِ الْعَيَّابُ [الغياب‏]

Source : Ghurar Al-Hikam Wa Durar Al-Kalim, Exalted Aphorisms And Pearls Of Speech

The most honourable quality of the noble one is his feigning inattention [and ignorance] about that which he is aware [regarding the negative traits of others]

أَشْرَفُ أَخْلَاقِ الْكَرِيمِ [كثرة] تَغَافُلُهُ عَمَّا يَعْلَمُ

Source : Ghurar Al-Hikam Wa Durar Al-Kalim, Exalted Aphorisms And Pearls Of Speech

Scrutinizing the faults of others is a fault [in itself]

تَأَمُّلُ الْعَيْبِ عَيْبٌ

Source : Ghurar Al-Hikam Wa Durar Al-Kalim, Exalted Aphorisms And Pearls Of Speech

Feign heedlessness [about the mistakes of others] and your affair will be praised

تَغَافَلْ يُحْمَدْ [يخمد] أَمْرُكَ

Source : Ghurar Al-Hikam Wa Durar Al-Kalim, Exalted Aphorisms And Pearls Of Speech

Pursuing the faults [of others] is from the most detestable of faults and worst evils

تَتَبُّعُ الْعُيُوبِ مِنْ أَقْبَحِ الْعُيُوبِ وَشَرِّ السَّيِّئَاتِ

Source : Ghurar Al-Hikam Wa Durar Al-Kalim, Exalted Aphorisms And Pearls Of Speech

Pursuing the faults [of others] is from the gravest evils.

تَتَبُّعُ الْعَوْرَاتِ مِنْ أَعْظَمِ السَّوْءَاتِ

Source : Ghurar Al-Hikam Wa Durar Al-Kalim, Exalted Aphorisms And Pearls Of Speech

One who does not feign negligence and lower his gaze in many situations, his life becomes bitter

مَنْ لَمْ يَتَغَافَلْ وَلَا يَغُضَّ [لَا يتقاض‏] عَنْ كَثِيرٍ مِنَ الْأُمُورِ تَنَغَّصَتْ عِيشَتُهُ

Source : Ghurar Al-Hikam Wa Durar Al-Kalim, Exalted Aphorisms And Pearls Of Speech

Cover up offences with forgiveness, especially for those who possess magnanimity and social standing

تَغَمَّدِ الذُّنُوبَ بِالْغُفْرَانِ سِيَّمَا [لَا سِيَّمَا] فِي ذَوِي الْمُرُوءَةِ وَالْهَيْئَاتِ

Source : Ghurar Al-Hikam Wa Durar Al-Kalim, Exalted Aphorisms And Pearls Of Speech