ESV: And Samuel said to Saul, "You have done foolishly. You have not kept the command of the Lord your God, with which he commanded you. For then the Lord would have established your kingdom over Israel forever.
NIV: "You have done a foolish thing," Samuel said. "You have not kept the command the Lord your God gave you; if you had, he would have established your kingdom over Israel for all time.
NASB: But Samuel said to Saul, 'You have acted foolishly! You have not kept the commandment of the Lord your God, which He commanded you, for the Lord would now have established your kingdom over Israel forever.
CSB: Samuel said to Saul, "You have been foolish. You have not kept the command the Lord your God gave you. It was at this time that the Lord would have permanently established your reign over Israel,
NLT: How foolish!' Samuel exclaimed. 'You have not kept the command the Lord your God gave you. Had you kept it, the Lord would have established your kingdom over Israel forever.
KJV: And Samuel said to Saul, Thou hast done foolishly: thou hast not kept the commandment of the Lord thy God, which he commanded thee: for now would the Lord have established thy kingdom upon Israel for ever.
NKJV: And Samuel said to Saul, “You have done foolishly. You have not kept the commandment of the Lord your God, which He commanded you. For now the Lord would have established your kingdom over Israel forever.