Who is he that will loan to Allah a beautiful loan, which Allah will double unto his credit and multiply many times? It is Allah that giveth (you) Want or plenty, and to Him shall be your return.
According to Zajjâj, Qardz ض ُرْ ِ
ق is an act for which a reward
may be expected (Râzî, Lisân, Tâj).
NOORUDDÎN ,ALLÂMAH. (2015). Exegesis of The Holy Qur’ân Commentary and Reflections. http://www.islamicweblibrary.com/wp-content/uploads/2020/10/Exegesis-of-the-Holy-Quran-Commentary-and-Reflections.pdf