سورة Al-Anam 6:163

لَا شَرِيكَ لَهُۥ ۖ وَبِذَٰلِكَ أُمِرْتُ وَأَنَا۠ أَوَّلُ ٱلْمُسْلِمِينَ ١٦٣

He has no partner. So I am commanded, and so I am the first to submit.”