Surah An-Naml, ayah 3

27:3

ٱلَّذِينَ يُقِيمُونَ ٱلصَّلَوٰةَ وَيُؤۡتُونَ ٱلزَّكَوٰةَ وَهُم بِٱلۡأٓخِرَةِ هُمۡ يُوقِنُونَ ٣

Alladhīna yuqīmūnas-salawāta wayu'tūnaz-zakawāta wahum bil-ākhirati hum yūqinūn

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