وَلَقَدۡ عَلِمۡنَا ٱلۡمُسۡتَقۡدِمِينَ مِنكُمۡ وَلَقَدۡ عَلِمۡنَا ٱلۡمُسۡتَـٔۡخِرِينَ
Wa la qad 'alimnal mustaqdimeena minkum wa laqad 'alimnal mustaakhireen
English Translation
And We have already known the preceding [generations] among you, and We have already known the later [ones to come]
— Saheeh International