4وَالَّذينَ يُؤمِنونَ بِما أُنزِلَ إِلَيكَ وَما أُنزِلَ مِن قَبلِكَ وَبِالآخِرَةِ هُم يوقِنونَLaleh Bakhtiarand perform the formal prayer, and they spend out of what We provided them, and those who believe in what was caused to descend to thee, and what was caused to descend before thee, and they are certain of the world to come.