The LORD said to Gad,1 David's seer,2
References for 1 Chronicles 21:9
"Go and tell David, 'This is what the LORD says: I am giving you three options. Choose one of them for me to carry out against you.' "
So Gad went to David and said to him, "This is what the LORD says: 'Take your choice:
three years of famine,3 three months of being swept away before your enemies, with their swords overtaking you, or three days of the sword4 of the LORD 5--days of plague in the land, with the angel of the LORD ravaging every part of Israel.' Now then, decide how I should answer the one who sent me."
References for 1 Chronicles 21:12
David said to Gad, "I am in deep distress. Let me fall into the hands of the LORD, for his mercy6 is very great; but do not let me fall into the hands of men."
References for 1 Chronicles 21:13
So the LORD sent a plague on Israel, and seventy thousand men of Israel fell dead.7
References for 1 Chronicles 21:14
And God sent an angel8 to destroy Jerusalem.9 But as the angel was doing so, the LORD saw it and was grieved10 because of the calamity and said to the angel who was destroying11 the people, "Enough! Withdraw your hand." The angel of the LORD was then standing at the threshing floor of Araunah the Jebusite.
References for 1 Chronicles 21:15
David looked up and saw the angel of the LORD standing between heaven and earth, with a drawn sword in his hand extended over Jerusalem. Then David and the elders, clothed in sackcloth, fell facedown.12
References for 1 Chronicles 21:16
David said to God, "Was it not I who ordered the fighting men to be counted? I am the one who has sinned and done wrong. These are but sheep.13 What have they done? O LORD my God, let your hand fall upon me and my family,14 but do not let this plague remain on your people."
References for 1 Chronicles 21:17
Then the angel of the LORD ordered Gad to tell David to go up and build an altar to the LORD on the threshing floor15 of Araunah the Jebusite.
References for 1 Chronicles 21:18
So David went up in obedience to the word that Gad had spoken in the name of the LORD.