Self-respect prevents adultery

Nahj al-Balāgha|Volume 1|Book 3|Chapter 305

Book 3, Chapter 305

٣٠٥. وَقَالَ (عليه ‏السلام): مَا زَنَى غَيُورٌ قَطُّ.

305. Amīr al-mu’minīn, peace be upon him, said: A self respecting man never commits adultery.