hadith
9308
۞
Imam Ali (AS) said, Never make fun of a friend thereby turning him into an enemy, or of an enemy thereby making him [want to] destroy you.
الإمامُ عليٌّ (عَلَيهِ الّسَلامُ) : لاتُمازِحَنَّ صَديقاً فَيُعادِيَكَ وَ لاعَدُوّاً فَيُرْدِيَكَ