2 Samuel 15:7
King James Version
“And it came to pass after forty years, that Absalom said unto the king, I pray thee, let me go and pay my vow, which I have vowed unto the LORD, in Hebron.”
Context
4Absalom said moreover, Oh that I were made judge in the land, that every man which hath any suit or cause might come unto me, and I would do him justice!
5And it was that when any man came nigh to do him obeisance, he put forth his hand, and took him, and kissed him.
6And on this manner did Absalom to all Israel that came to the king for judgment: so Absalom stole the hearts of the men of Israel.
7And it came to pass after forty years, that Absalom said unto the king, I pray thee, let me go and pay my vow, which I have vowed unto the LORD, in Hebron.
8For thy servant vowed a vow while I abode at Geshur in Syria, saying, If the LORD shall bring me again indeed to Jerusalem, then I will serve the LORD.
9And the king said unto him, Go in peace. So he arose, and went to Hebron.
10But Absalom sent spies throughout all the tribes of Israel, saying, As soon as ye hear the sound of the trumpet, then ye shall say, Absalom reigneth in Hebron.