وَعَنْهُ عَنِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ: «أَدِّ الْأَمَانَةَ إِلَى مَنِ ائْتَمَنَكَ وَلَا تَخُنْ مَنْ خَانَكَ»
He reported the Prophet (sallallahu alayhi wa sallam) as saying, “Place trust in him who trusts you, but do not cheat him who cheats you.”
Mishkat al-Masabih 2814, Book 12, Business Transactions, Hadith 170. 1 min read