Self-Righteousness Leads to Destruction

Amīr al-Muʾminīn, Imam Ali, (peace be upon him) said:
لا تَسْتَبِدَّ بِرَأْيِكَ فَمَنِ اسْتَبَدَّ بِرَأْيِهِ هَلَكَ
“Do not be self-righteous, for whoever is self-righteous perishes. ”
Ghurar al-Ḥikam, Page 443