رسولُ اللَّهِ صلى اللَّه عليه وآله : المُسلِمونَ عِندَ شُروطِهِم فيما اُحِلَّ . كنز العمّال : 10919 .
The Prophet (SAWA) said, ‘Muslims [make and] fulfil their promises according to what is permissible.’ Kanz al-Ummal, no. 10909
رسولُ اللَّهِ صلى اللَّه عليه وآله : لا دِينَ لِمَن لا عَهدَ لَهُ . النوادر للراوندي : 91 / 27 .
The Prophet (SAWA) said, ‘He who does not keep a promise has no religion.’ Nawadir al-Rawandi, p. 5
رسولُ اللَّهِ صلى اللَّه عليه وآله : إذا نَقَضوا العَهدَ سَلَّطَ اللَّهُ عَلَيهِم عَدُوَّهُم . بحار الأنوار : 100 / 46 / 3 .
The Prophet (SAWA) said, ‘When they break a covenant, Allah allows their enemy to gain mastery over them.’ Bihar al-Anwar, v. 100, p. 46, no. 3
رسولُ اللَّهِ صلى اللَّه عليه وآله : ألا مَن ظَلَمَ مُعاهَداً ، أوِ انتَقَصَهُ ، أو كَلَّفَهُ فَوقَ طاقَتِهِ ، أو أخَذَ مِنهُ شَيئاً بِغَيرِ طِيبِ نَفسٍ مِنهُ ، فَأنا حَجيجُه يَومَ القِيامَةِ . كنز العمّال : 10924 .
The Prophet (SAWA) said, ‘Verily whoever wrongs any of the people of the covenant (ahl al-dhimma), or denies him some of his right, or burdens him beyond that which he is capable of, or takes something from him without his consent, then I will hold it against him on the Day of Resurrection.’ Kanz al-Ummal, no. 10924