Surah Az-Zumar, ayah 12

وَأُمِرۡتُ لِأَنۡ أَكُونَ أَوَّلَ ٱلۡمُسۡلِمِينَ ١٢

Wa umirtu li an akūna awwalal-muslimīn

And I have been commanded to be the first [among you] of the Muslims."