This passage occurs within Moses’ final discourse to the Israelites, where he outlines the future spiritual framework of the nation. Having just barred them from practicing the pagan sorcery and divination of the surrounding nations (verses 9–14), Moses promises that God will provide a legitimate line of communication from within their own borders.
The primary Islamic defense relies on expanding the word "brethren" () to include the Ishmaelites (Arabs) as cousins to the Israelites. However, the book of Deuteronomy defines its own legal terminology. In Deuteronomy 17:15, when establishing the laws for choosing a future king, God commands:
"You shall surely set a king over you whom the Lord your God chooses; one from among your brethren you shall set as king over you; you may not set a foreigner over you, who is not your brother."
If "brethren" textually included Ishmaelites, Edomites, or Egyptians, then Israel would have been legally permitted to crown an Arab or an Egyptian as their king. Because foreigners are explicitly banned from the category of "brethren" here, the term is textually and legally locked to the twelve tribes of Israel. Muhammad, being an Arab from the Quraysh tribe, is disqualified by the Torah's own definition.
Apologists frequently build a list of superficial similarities to show Muhammad was "like Moses" (e.g., both married, both led armies, both died natural deaths). However, the text explicitly states the only metric that matters. Deuteronomy 34:10 declares:
"But since then there has not arisen in Israel a prophet like Moses, whom the Lord knew face to face."
Moses' uniqueness lay in his direct, unmediated communication with God. According to Islamic tradition, Muhammad never spoke to God face to face; he received his revelations through an intermediary—the Angel Gabriel—often accompanied by physical seizing, shivering, and distress. He fails the single explicit definition of being "like Moses."
If the coming prophet is to be "like Moses," he must uphold and mirror the covenant Moses established. Yet, Islamic theology claims that the laws given to Moses were systematically abrogated, altered, or replaced by the Quran. If a prophet arrives 2,000 years later to declare that the dietary laws, sacrificial system, and sabbath laws of the Mosaic Covenant are void, he is textually acting unlike Moses.
From a polemical standpoint, the Bible does not leave this prophecy open for debate. In Acts 3:22–26, the Apostle Peter stands in the Temple courts, quotes Deuteronomy 18:18 verbatim to a Jewish audience, and explicitly states that this prophecy was completely fulfilled in the person, resurrection, and ministry of Jesus Christ—a first-century Jew who arose directly from among their literal brethren. Muhammad is too late to claim as Jesus already did 600 yers earlier!
To force the Prophet of Islam into Deuteronomy 18, an apologist has to selectively ignore the fact that the Torah legally bans non-Israelites from the word "brethren" just one chapter prior. It requires a fascinating system of metrics where having a wife and dying of old age makes you "like Moses," but changing the entire legal code and relying on an angel because you cannot speak to God face to face is completely glossed over.
If the criteria for a true prophet is simply being a human statesman who fought battles, then King David or Joshua fits the description perfectly—and neither of them required an 800-mile geographical leap to Arabia to claim it.