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Commandment #2 · Positive · Belief & God

Affirm the Unity of God — The Shema

שְׁמַע יִשְׂרָאֵל יְהוָה אֱלֹהֵינוּ יְהוָה אֶחָד
Source: Deuteronomy 6:4  ·  Maimonides, Sefer HaMitzvot, Positive #2

The Shema is not a prayer. It is a declaration — a legal and theological affirmation that God is absolutely one. Not merely that there is only one God (as opposed to many), but that His oneness is of a different category than anything else in existence. To affirm the Shema is to deny that God has competitors, partners, or equals in any realm. This commandment was Israel's most violated and most fiercely contested across the centuries of the monarchy.

שְׁמַע יִשְׂרָאֵל יְהוָה אֱלֹהֵינוּ יְהוָה אֶחָד
"Hear, O Israel: The LORD our God is one LORD."

Solomon's Divided Heart לֵב חָלוּק

Solomon began his reign as the greatest demonstration of what it looks like to live under this commandment. He loved the LORD, built the Temple as the singular house of God's name, and composed 3,000 proverbs and 1,005 songs in praise of divine wisdom. 1 Kings 3:3 records his early devotion plainly: "Solomon loved the LORD, walking in the statutes of David his father." God appeared to him twice. The Temple he built became the most spectacular edifice Israel would ever know.

Then came the wives. Seven hundred of them, plus three hundred concubines — many from nations God had explicitly prohibited. Each one brought her own deity. By the end of Solomon's life, the man who built the house of the one God was also building altars for Ashtoreth of the Sidonians, Chemosh of the Moabites, and Moloch of the Ammonites. The verdict from 1 Kings 11:

וַיְהִי לְעֵת זִקְנַת שְׁלֹמֹה נָשָׁיו הִטּוּ אֶת לְבָבוֹ אַחֲרֵי אֱלֹהִים אֲחֵרִים וְלֹא הָיָה לְבָבוֹ שָׁלֵם עִם יְהוָה
"For it came to pass, when Solomon was old, that his wives turned away his heart after other gods: and his heart was not perfect with the LORD his God."
1 Kings 11:4

The phrase לֹא הָיָה לְבָבוֹ שָׁלֵם — "his heart was not whole" — is the Shema in reverse. The Shema demands wholeness of devotion. Solomon's heart became split. As a result, God told him the kingdom would be torn from his line. The entire division of Israel into northern and southern kingdoms — which shaped the next four hundred years — was a direct consequence of one man failing to affirm God's unity with an undivided heart.

Elijah's Confrontation: "How Long Will You Waver?" עַד מָתַי

Two generations after Solomon, the northern kingdom under Ahab and Jezebel had institutionalized the violation of this commandment. Baal worship was not underground — it was state religion. The prophets of the LORD were being killed. Then Elijah appears, not with an army but with a question. He summons all Israel to Mount Carmel and asks the most direct question in the history of the northern kingdom:

עַד מָתַי אַתֶּם פֹּסְחִים עַל שְׁתֵּי הַסְּעִפִּים אִם יְהוָה הָאֱלֹהִים לְכוּ אַחֲרָיו וְאִם הַבַּעַל לְכוּ אַחֲרָיו
"How long halt ye between two opinions? if the LORD be God, follow him; but if Baal, then follow him."
1 Kings 18:21

The Hebrew word translated "halt" — פֹּסְחִים — is the same root as Passover (פֶּסַח). It means to limp or jump between two positions. Elijah is saying: you are Passover-ing between two opinions — you are skipping, limping, unable to land. The Shema demands a landing. The people answered him nothing. They could not choose. They had to see fire come down from heaven before they could speak.

That silence — the silence of a people who had lost the capacity to simply affirm God's unity — is the portrait of a nation that had abandoned this commandment across generations.

Josiah: The King Who Returned With All His Heart יֹאשִׁיָּהוּ

After Manasseh's reign — the most wicked king in Judah's history, who filled Jerusalem with idols and shed innocent blood — his grandson Josiah became king at age eight. At eighteen, while repairing the Temple, the High Priest Hilkiah found the Book of the Law. When it was read aloud to Josiah, he tore his robes. He understood how far the nation had drifted. His reform removed every idol, broke down every high place, and expelled every foreign priest from the land. What 2 Kings says about Josiah is the highest compliment in the biblical record:

וְכָמֹהוּ לֹא הָיָה לְפָנָיו מֶלֶךְ אֲשֶׁר שָׁב אֶל יְהוָה בְּכָל לְבָבוֹ וּבְכָל נַפְשׁוֹ וּבְכָל מְאֹדוֹ
"And like unto him was there no king before him, that turned to the LORD with all his heart, and with all his soul, and with all his might."
2 Kings 23:25

The language echoes the Shema word for word: בְּכָל לְבָבוֹ וּבְכָל נַפְשׁוֹ וּבְכָל מְאֹדוֹ. With all his heart, soul, and might. Josiah is the only king in Israel's history described in Shema language. His obedience was a full-bodied affirmation of God's unity expressed through institutional transformation — he did not just recite the declaration; he restructured a nation around it.

Isaiah's Declaration: "I Am the First and the Last" אֲנִי רִאשׁוֹן וַאֲנִי אַחֲרוֹן

During the Assyrian crisis, when the northern kingdom had already been exiled and Judah was shrinking, Isaiah delivers God's definitive statement of His own unity — a statement that reaches beyond the Sinai context into something cosmological:

אֲנִי רִאשׁוֹן וַאֲנִי אַחֲרוֹן וּמִבַּלְעָדַי אֵין אֱלֹהִים
"I am the first, and I am the last; and beside me there is no God."
Isaiah 44:6

This verse is the theological ground beneath the Shema. The commandment to affirm God's unity is not arbitrary. It reflects reality. There is nothing before God, nothing after Him, and nothing beside Him. Affirming the Shema is affirming the shape of the universe.

The Messianic Promise: One LORD, One Name יְהוָה אֶחָד וּשְׁמוֹ אֶחָד

Zechariah's vision looks forward to the day when what Israel has always been commanded to affirm becomes the universal reality — when the nations join in the declaration:

וְהָיָה יְהוָה לְמֶלֶךְ עַל כָּל הָאָרֶץ בַּיּוֹם הַהוּא יִהְיֶה יְהוָה אֶחָד וּשְׁמוֹ אֶחָד
"And the LORD shall be king over all the earth: in that day shall there be one LORD, and his name one."
Zechariah 14:9

The Shema is eschatological. What Israel recites daily as a commandment, the prophets saw as a future universal reality. The nations will one day not merely tolerate God's existence — they will affirm His unity. The Shema is Israel's daily rehearsal of that future.

Key Figures in This Commandment

👑
Solomon — The Warning in the Mirror
The wisest man in history violated the Shema not through ignorance but through accommodation. His wives' idolatry began with tolerance and ended with official state shrines. The Shema cannot coexist with divided affection.
🔥
Elijah — The One Who Would Not Limp
Elijah understood that the Shema was not a private belief but a national one. His confrontation on Carmel was not about winning a theological argument — it was about forcing Israel to choose. You cannot half-affirm God's unity.
📜
Josiah — The King Who Lived the Shema
The only king described using the exact language of the Shema — heart, soul, might. His reform shows that affirming God's unity is not only personal but institutional, structural, and political. A nation that affirms God's unity looks different.

Study Questions

For reflection and group study
Solomon began by loving the LORD (1 Kgs 3:3) and ended with a divided heart (1 Kgs 11:4). What progression allowed such a severe departure — and what does that say about the Shema's demand for ongoing vigilance?
See 1 Kgs 3:3; 11:1–8; Deut 7:3–4
Elijah's word פֹּסְחִים — "limping between two opinions" — describes people who still believed in God but wouldn't commit to Him exclusively. Is partial devotion a form of violation of the Shema?
See 1 Kgs 18:21; Matt 6:24
Josiah is praised in Shema language — "with all his heart, soul, and might." What made his reform different from the partial reforms of earlier righteous kings like Asa or Jehoshaphat?
See 2 Kgs 23:25; 2 Chr 15:17; 20:33
Isaiah says "I am the first and the last; beside me there is no God." Why does God state His own unity as a declaration of fact, not merely a command? What does that change about how we understand the Shema?
See Isa 44:6–8; 45:5–7; Deut 6:4
Zechariah 14:9 says the day is coming when God will be one and His name one over all the earth. What does it mean for Israel to recite the Shema daily — as a commandment now — in light of a future when it becomes universal reality?
See Zech 14:9; Deut 6:4–9

Read the Shema in the original Hebrew alongside the English translation.

Open Deuteronomy 6:4 in Torah Reader