Berean Study Bible (BSB) - 1 Samuel 13:13 >

“You have acted foolishly,” Samuel declared. “You have not kept the command that the LORD your God gave you; if you had, the LORD would have established your kingdom over Israel for all time.

Jewish Publication Society of America Version (JPS1917) - 1 Samuel 13:13 >

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.