Allah says: “and I did not create the jinns and humans except to worship Me (alone).”(51:56)
Majority of the pre-Islamic Arabs were upon this, they used to worship Allah, but they would also…”
It is narrated that Mu’adh bin Jabal (May Allah be pleased with him) said: I was riding behind the Prophet ﷺ on a donkey and he said to me “O Mu’adh, do you know what is the right of Allah on his slaves and what is the right of the slaves upon Allah?”
I responded: “Allah and His Messenger know best.” He continued, “The Right of Allah upon His slaves is to… ”