Only duty of any messenger of God is to deliver God's message.
The duty which God assigns to His messengers : The Quran confirms that the only duty of any messenger of God is to deliver God's message. Messengers are not sent to proclaim their own personal teachings. They are called messengers of God because they deliver a message from God. The sole duty of the messenger is the delivery (of God's message). 5:99 The same message is found in 5:92, 16:35, 16:82, 24:54, 29:18, 42:48 and 64:12. The words in 5:99 and the similar verses are a confirmation to all believers that the sole duty of any messenger is to deliver God's message, in the case of prophet Muhammad, the message he delivered from God is the Quran. In addition to this confirmation addressed to all believers and readers of the Quran, we also find God reminding prophet Muhammad of his sole duty: But if they turn away, We did not send you as a guardian over them. Your sole duty (O Muhammad) is the delivery . 42:48 Following from 6:114, which confirms that God is th...