2 Samuel 24:18
And Gad came that day to David, and said unto him, Go up, rear an altar unto the Lord in the threshingfloor of Araunah the Jebusite.
Cross-reference
In 2 Samuel 24:11, Gad first delivers God's message to David; here he returns with specific instructions to build an altar.
In 2 Samuel 24:16, the angel's hand was restrained; now Gad tells David to build an altar at the site where judgment stopped.
In 2 Samuel 24:21, David explains to Araunah that he is buying the threshing floor to build an altar, directly fulfilling Gad's command here.
1 Chronicles 21:18-30 provides the parallel account of this same event with additional details about buying the threshing floor.
In 1 Chronicles 21:15, the angel stops at Ornan's threshing floor, setting the stage for the altar command—the same event from Chronicles.
In 1 Chronicles 21:21, David arrives at Ornan's threshing floor, continuing the parallel account of the same incident.
In 1 Chronicles 22:1, David declares this threshing floor to be the site of the Temple, directly resulting from the altar command.
In 2 Chronicles 3:1, Solomon builds the Temple on this threshing floor, confirming it as Mount Moriah—the place David prepared.