Matthew Henry on 1 Chronicles 21:7-17
David is here under the rod for numbering the people, that rod of correction which drives out the foolishness that is bound up in the heart, the foolishness of pride. Let us briefly observe,
I. How he was corrected. If God's dearest children do amiss, they must expect to smart for it. 1. He is given to understand that God is displeased; and that it is no small uneasiness to so good a man as David, Ch1 21:7. God takes notice of, and is displeased with, the sins of his people; and no sin is more displeasing to him than pride of heart: nor is anything more humbling, and grieving, and mortifying to a gracious soul, than to see itself under God's displeasure. 2. He is put to his choice whether he…
Read the whole note in the consoleJamieson-Fausset-Brown on 1 Chronicles 21:14
So the Lord . . . sent an angel unto Jerusalem to destroy it--The infliction only of the pestilence is here noticed, without any account of its duration or its ravages, while a minute description is given of the visible appearance and menacing attitude of the destroying angel.
Adam Clarke on 1 Chronicles 21:13
David said - I am in a great strait - The Targum reasons thus:
"And David said to Gad, If I choose famine, the Israelites may say, The granaries of David are full of corn; neither doth he care should the people of Israel die with hunger. And if I choose war, and fly before an enemy, the Israelites may say, David is a strong and warlike man, and he cares not though the people of Israel should fall by the sword. I am brought into a great strait; I will deliver myself now into the Hand of the Word of the Lord, ביד מימרא דיי beyad meymera dayai, for his mercies are many; but into the hands of the children of men I will not deliver myself."
John Gill on 1 Chronicles 21:1
See Chapter Introduction
Keil & Delitzsch on 1 Chronicles 21:1-27