And when David heard that Nabal was dead, he said, Blessed be the LORD, that has pleaded the cause of my reproach from the hand of Nabal, and has kept his servant from evil: for the LORD has returned the wickedness of Nabal upon his own head. And David sent and talked with Abigail, to take her to be his wife.
Read Chapter 25
George Leo Haydock
Blessed be David praises God on this occasion, not out of joy for the death of Nabal, (which would have argued a rancour of heart) but because he saw that God had so visibly taken his cause in hand, in punishing the injury done to him; whilst, by a merciful providence, he kept him from revenging himself. (Challoner) (Psalm lvii. 10.)
Blessed be: David praiseth God, on this occasion, not out of joy for the death of Nabal (which would have argued a rancour of heart), but because he saw that God had so visibly taken his cause in hand, in punishing the injury done to him; whilst, by a merciful providence he kept him from revenging himself.
Having proved by Holy Scripture that all things are both watched and ruled by God, it remains now for me to show that most things in this world are judged by his divine power. When the holy David had borne the affronts and insults of Nabal from Carmel, because David delayed vengeance, he was avenged at once by the very hand of God. Shortly thereafter, when his enemy had been defeated and killed by the hand of God, David said, “Blessed be the Lord who has judged the cause of my reproach at the hand of Nabal.” - "The Governance of God 2.3"