- Who
- Ezekiel, in vision
- To
- Exiled Judah in Babylon
- Where
- Babylon, 6th century BC
- When
- Ezekiel's vision of a temple from which life-giving water flows
Why:John identifies the source: not a stone temple, but the throne of God and the Lamb.
Context:Where Ezekiel saw a trickle becoming a river, John sees its consummation — life flowing through the city of God.