They deny that he is a Messenger and thus try to escape from the truth. Some might even go further and say that the messenger is a magician or a madman; thus, they try to keep people away from the truth by means of their slander and lies. Allah warned us about this kind of people. He commanded the Prophet Muhammad (saas) to tell the people that they should not pay attention to what they say and that he himself was only a human being. Allah sent the Prophet Muhammad (saas) as the final messenger and seal of the prophets.

Through the verses that began with "Say", Prophet Muhammad (saas) communicated Allah's message to all mankind, emphasizing the importance of obedience and submissiveness to the issues conveyed by messengers.
Prophet Muhammad (saas) made clear that he was not asking for any recompense in return for conveying Allah's message, but was instead striving to earn His approval.

Disbelievers often asked for miracles as a pretext for their unwillingness to submit to Allah, but Prophet Muhammad (saas) was commanded to tell them that the Signs are vouchsafed by Allah alone. Finally, he reminded people that he was only a human being and they should not pay attention to the slander and lies of those who deny he is a messenger.

He warned people that those who wished to attain salvation should turn to Allah alone. Prophet Muhammad (saas) was only a messenger, sent to deliver the message of Allah, and no angel was sent in his place. He commanded people to obey Allah and the Messenger and be rightly guided, and called on them to surrender to Allah. He also reminded them that they would be judged by their actions, and that he was only a warner.

Prophet Muhammad (saas) argued with his people about Allah, reminding them that Allah was their Lord and that they should have faith in Him alone.

Prophet Muhammad (saas) was commanded to remind his people that they should obey Allah and trust in Him, for He alone knows the Unseen and will bring about the Second Creation. He told his people to look at the signs of creation in this world and to take lessons from them.

Prophet Muhammad (saas) taught that the only way to lead an honorable and beautiful life is to follow the path of Allah and to repent when wronged, for Allah is the most compassionate of all. Allah also sees all actions, whether hidden or revealed, and will judge all on the Day of Judgment. Allah is the sole Creator and Protector of mankind, and Prophet Muhammad (saas) reminded his people that only He can help them in times of need. Prophet Muhammad (saas) also reminded them that Allah has bestowed upon them faith, and that the Qur'an was sent down by Allah Himself.

Prophet Muhammad (saas) emphasized that no combination of men and jinn can compose anything like the Qur'an, and that Allah alone is the source of truth and guidance for the Muslims.
Prophet Muhammad (saas) warned them that no soul will bear another's burden on the Day of Judgment and to strive for the Hereafter, which is better than the pleasures of this life. He also reminded them that the only way to earn Allah’s approval is to make sacrifices for Him and to stay away from associating partners with Him.

Allah warns them of eternal suffering in Hell, Prophet Muhammad (saas) reminded them of the disastrous fate of disbelievers of past nations, and that death is unavoidable. He also reminded them of the Day of Judgment and that Allah will resurrect them all. Allah is the ultimate judge and has sent Prophet Muhammad (saas) to warn disbelievers of the torment of Hell for those who oppose Him. Prophet Muhammad warned all of the need to consider the fate of past generations who denied Allah and the inevitability of death.