hadith
3540
۞
Imam Ali (AS) said, The foundation of religion is returning trusts [to their owners] and fulfilling pledges.
الإمامُ عليٌّ (عَلَيهِ الّسَلامُ) : أصْلُ الدِّينِ أداءُ الأمانَةِ وَ الوَفاءُ بِالعُهُودِ