At Tawbah Ayah 43

عَفَا ٱللَّهُ عَنكَ لِمَ أَذِنتَ لَهُمْ حَتَّىٰ يَتَبَيَّنَ لَكَ ٱلَّذِينَ صَدَقُواْ وَتَعْلَمَ ٱلْكَـٰذِبِينَ ٤٣ May Allah pardon you ?O Prophet?! Why did you give them permission ?to stay behind? before those who told the truth were distinguished from those who were lying?