Quran 18:88

وَأَمَّا مَنۡ ءَامَنَ وَعَمِلَ صَـٰلِحً۬ا فَلَهُ ۥ جَزَآءً ٱلۡحُسۡنَىٰ‌ۖ وَسَنَقُولُ لَهُ ۥ مِنۡ أَمۡرِنَا يُسۡرً۬ا ٨٨

"As for those who believe and lead a righteous life, they receive a good reward; we will treat them kindly."