Quran Al-Qalam 68:39
أَمۡ لَكُمۡ أَيۡمَٰنٌ عَلَيۡنَا بَٰلِغَةٌ إِلَىٰ يَوۡمِ ٱلۡقِيَٰمَةِ إِنَّ لَكُمۡ لَمَا تَحۡكُمُونَ
Translation
Or do you have oaths [binding] upon Us, extending until the Day of Resurrection, that indeed for you is whatever you judge?