Imam al-Sadiq (AS) said, ‘The knowledgeable man must not be harsh when he teaches, and must not be disdainful when he learns.
ـ الإمامُ الصّادقُ (عَلَيهِ الّسَلامُ): عَلَى العالِمِ إذا عَلَّمَ أن لا يَعنُفَ ، وإذا عُلِّمَ أن لا يَأنَفَ.
Similar narrations
Ghurar al-Ḥikam #6824Imam Ali (AS) said, It behoves the intelligent person not to be harsh when he teaches, and not to scorn [others] when he gains knowledge.