And We have already known the preceding [generations] among you, and We have already known the later [ones to come].
The Saheeh International Quran Translation
وَلَقَدْ عَلِمْنَا ٱلْمُسْتَقْدِمِينَ مِنكُمْ وَلَقَدْ عَلِمْنَا ٱلْمُسْتَـْٔخِرِينَAnd We have already known the preceding [generations] among you, and We have already known the later [ones to come].