(Zukhuruf) 43 : 64
إِنَّ اللَّهَ هُوَ رَبِّي وَرَبُّكُمْ فَاعْبُدُوهُ ۚ هَٰذَا صِرَاطٌ مُسْتَقِيمٌ
Indeed Allah, He is my Lord and your Lord, then you serve Him, This is the Straightpath.
All 313 Messengers including Mohammed and Jesus told the mankind this. See explanation 3: 51, 101; and 6: 153.