الإمامُ عليٌّ (عَلَيهِ الّسَلامُ): البَشاشَةُ حِبالَةُ المَوَدّةِ. 
‪Imam Ali (AS) said, ‘The smile is the trap of amity.’[Bihar al-Anwar, v. 69, p. 409, no. 120]