Surah Al-Baqarah, ayah 52

ثُمَّ عَفَوۡنَا عَنكُم مِّنۢ بَعۡدِ ذَٰلِكَ لَعَلَّكُمۡ تَشۡكُرُونَ ٥٢

Thumma 'afawnā 'ankum mim ba'di dhālika la'allakum tashkurūn

Then We forgave you after that so perhaps you would be grateful.