KJV: Thus saith the Lord GOD; Because the Philistines have dealt by revenge, and have taken vengeance with a despiteful heart, to destroy it for the old hatred;
NASB: 'Thus says the Lord GOD, "Because the Philistines have acted in revenge and have taken vengeance with scorn of soul to destroy with everlasting enmity,"
KJV: God is jealous, and the LORD revengeth; the LORD revengeth, and is furious; the LORD will take vengeance on his adversaries, and he reserveth wrath for his enemies.
NASB: A jealous and avenging God is the LORD; The LORD is avenging and wrathful. The LORD takes vengeance on His adversaries, And He reserves wrath for His enemies.