Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
quran:70:24

And those within whose wealth is a known right  

and in whose wealth there is an acknowledged due, namely, alms,
القرآن:٧٠:٢٤

وَالَّذِينَ فِي أَمْوَالِهِمْ حَقٌّ مَعْلُومٌ  

{والذين في أموالهم حق معلوم} هو الزكاة.