﴿ ٱلَّذِينَ يُقِيمُونَ ٱلصَّلَوٰةَ وَيُؤْتُونَ ٱلزَّكَوٰةَ وَهُم بِٱلْءَاخِرَةِ هُمْ يُوقِنُونَ ﴾

“who are constant in prayer and dispense charity: for it is they, they who in their innermost are certain of the life to come!”

Please check ayah 31:5 for complete tafsir.