بُلُوغُ الْمَرَامِ
Bulugh al-Maram 935
Business Transactions
وَعَنْ أَبِي هُرَيْرَةَ - رضى الله عنه - عَنِ النَّبِيِّ - صلى الله عليه وسلم -قَالَ : { تَهَادُوْا تَحَابُّوا } رَوَاهُ اَلْبُخَارِيُّ فِي اَلْأَدَبِ اَلْمُفْرَدِ وَأَبُو يَعْلَى بِإِسْنَادٍ حَسَن ٍ [1] .
Narrated Abu Hurairah (RA): The Prophet (ﷺ) said: "Give gifts to one another and you will love one another." [al-Bukhari reported it in al-Adab al-Mufrad; Abu Ya'la reported it with a Hasan (good) chain of narrators].
Sunnah.com reference: Book 7, Hadith 196