The Qur’an contains a number of verses which include a command for all believers to follow the “millat” (path or way) of Abraham (millat Ibrahim). We read about millat Ibrahim in a number of verses which include the command to follow it.
The following are some of the examples:
“So We have taught thee the inspired (Message), “Follow the millat of Abraham the True in Faith, and he joined not deities with God.”
Qur’an, 16:123
They say: “Become Jews or Christians if ye would be guided (to salvation).” Say thou: “Nay! (I would rather) the millat of Abraham the True, and he joined not deities with God.”
Qur’an, 2:135
Say: “God speaketh the Truth: follow the millat of Abraham, the sane in faith; he was not of the Pagans.”
Qur’an, 3:95
Note that in all the verses that mention the words ‘millat Ibrahim‘, we notice that they are followed by the words “the True, and he joined not deities with God….”
It is thus obvious that God is giving us the definition of the words ‘millat Ibrahim‘ as being pure monotheism and to refrain from associating partners with God. Consequently, when God commands Muhammad, and all of us, to follow “millat Ibrahim“, God is commanding us to follow Monotheism and refrain from Shirk (associating partners with God).