hadith
9096
۞
Imam Ali (AS) said, One whose tongue is sweet [and polite], his friends increase.
الإمامُ عليٌّ (عَلَيهِ الّسَلامُ) : مَنْ عَذُبَ لِسانُهُ كَثُرَ إخْوانُهُ