Why is 'Hear, O Israel' so central?

Deuteronomy 6:4 forms the heart of the Shema, Israel's daily confession: "Hear, O Israel: Jehovah our God is one Jehovah." This is not merely an abstract statement about number — it is a covenant claim that the God who delivered Israel from Egypt demands exclusive loyalty and undivided love. Because Israel serves one God, their obedience must be wholehearted, expressed with all heart, soul, and might (Deuteronomy 6:5).

The call to "hear" is therefore a call to respond. Obedience flows from the recognition that the LORD alone is God and that He is a jealous God who will not share the people's devotion with the gods of the surrounding nations (Deuteronomy 6:14–15). To forget this oneness, as verse 12 warns, is to slide back into idolatry; to remember it is the basis of Israel's identity, blessing, and preservation as a people set apart.

Deuteronomy 6 opens as part of Moses' second speech, urging Israel to live out the covenant in the land they are about to enter. Verses 1–3 frame the following commands with a goal: that the people may hear, do them, be well, and greatly multiply in the promised land flowing with milk and honey. The Shema (6:4–5) sits at the structural center, after which Deuteronomy 6:6–9 commands the people to internalize these words, teach them diligently to children, bind them as signs, and write them on doorposts — making confession a daily, visible practice.

The chapter then shifts to a warning: when Israel enjoys the fruit of cities they did not build, houses they did not fill, and vineyards they did not plant, they must not forget the LORD (Deuteronomy 6:10–12). Verses 13–15 reinforce exclusive worship and the danger of provoking a jealous God. The closing section (6:20–25) shows that obedience to these statutes will be the generation's righteousness before God — tying the Shema's confession directly to covenant accountability.