2 Samuel 24:17-19

Revised Standard Version

¹⁷ Then David spoke to the Lord when he saw the angel who was smiting the people, and said, “Lo, I have sinned, and I have done wickedly; but these sheep, what have they done? Let thy hand, I pray thee, be against me and against my father’s house.”

David’s Altar on the Threshing Floor

¹⁸ And Gad came that day to David, and said to him, “Go up, rear an altar to the Lord on the threshing floor of Arau′nah the Jeb′usite.” ¹⁹ So David went up at Gad’s word, as the Lord commanded.