Ali's counsel on restraining lustful gazes
Nahj al-Balāgha|Volume 1|Book 3|Chapter 420
فَقَالَ رَجُلٌ مِنَ الْخَوَارِجِ: قَاتَلَهُ اللَّهُ، كَافِراً مَا أَفْقَهَهُ. فَوَثَبَ الْقَوْمُ لِيَقْتُلُوهُ، فَقَالَ (عليه السلام) :
Then, one of the Khārijites said: Allāh may kill this heretic. How logical he is! The people then leapt towards him to kill him but Amīr al-mu’minīn, peace be upon him, said: