Shared ground
Isaiah 11:6–9 describes the public effects of the coming ruler’s reign (introduced in 11:1–5): a world where danger and violence are removed. The text’s explicit claims are concrete and repeated: predators and prey share space “together,” a child is safe among strong animals, and even snakes no longer threaten vulnerable children. The summary line is sweeping: “They shall not hurt nor destroy in all my holy mountain.”
The passage also gives an explicit reason for this peace: “the earth shall be full of the knowledge of Yahweh,” pictured as completely pervasive, like waters covering the sea. In the text’s own logic, a worldwide spread of knowing Yahweh is the stated ground for the end of harm in the holy mountain.
Where interpretation differs
One real question is how to take the animal imagery. Some read the wolf/lamb, lion eating straw, and children near snakes as describing an actual transformation of the natural world under this reign (a renewed creation). Others read the animals as a vivid way to describe human society transformed—former enemies living without threat—and the “no hurt” line as the main point.
A second question is how to locate “my holy mountain.” Some understand it primarily as Zion/Jerusalem language that points to a particular center of God’s rule. Others think it functions as a way of speaking about the whole realm where God’s reign is established, with Zion as its symbolic focus.
A third question is what “knowledge of Yahweh” emphasizes. It can be heard as widespread awareness of who Yahweh is, or as loyal recognition shown in lived obedience and social peace (not mere information).
Why the disagreement exists
The passage uses poetic, compressed images that are not explained in literal terms, while still making very concrete claims (animals, diet change, children at snake dens). At the same time, Isaiah often uses creation language to speak about social and political renewal. The text also links a local statement (“in all my holy mountain”) with a global cause (“the earth shall be full…”), which invites different ways of mapping scope and fulfillment.
What this passage clearly contributes
The passage contributes a picture of the intended outcome of righteous rule: harm stops, vulnerability is protected, and fear is removed at the most everyday level (home, field, child). It grounds that outcome in the spread of “the knowledge of Yahweh,” not merely in stronger enforcement. It also places the center of this peace in “my holy mountain,” tying the vision to Yahweh’s presence and rule, while implying a reach that ultimately matches the whole earth (Isaiah 11:6–9).