Dalil
العربية

Quran Luqman 31:4

ٱلَّذِينَ يُقِيمُونَ ٱلصَّلَوٰةَ وَيُؤۡتُونَ ٱلزَّكَوٰةَ وَهُم بِٱلۡأٓخِرَةِ هُمۡ يُوقِنُونَ

Translation

Who establish prayer and give zakāh, and they, of the Hereafter, are certain [in faith].