Quran Ali 'Imran 3:179
مَّا كَانَ ٱللَّهُ لِيَذَرَ ٱلۡمُؤۡمِنِينَ عَلَىٰ مَآ أَنتُمۡ عَلَيۡهِ حَتَّىٰ يَمِيزَ ٱلۡخَبِيثَ مِنَ ٱلطَّيِّبِۗ وَمَا كَانَ ٱللَّهُ لِيُطۡلِعَكُمۡ عَلَى ٱلۡغَيۡبِ وَلَٰكِنَّ ٱللَّهَ يَجۡتَبِي مِن رُّسُلِهِۦ مَن يَشَآءُۖ فَـَٔامِنُواْ بِٱللَّهِ وَرُسُلِهِۦۚ وَإِن تُؤۡمِنُواْ وَتَتَّقُواْ فَلَكُمۡ أَجۡرٌ عَظِيمٞ ١٧٩
Translation
Allāh would not leave the believers in that [state] you are in [presently] until He separates the evil from the good. Nor would Allāh reveal to you the unseen. But [instead], Allāh chooses of His messengers whom He wills, so believe in Allāh and His messengers. And if you believe and fear Him, then for you is a great reward.