'Serve the Lord' in the Bible

Now do not be stiff-necked, as your fathers were; but yield yourselves to the LORD, and enter into his sanctuary, which he has sanctified forever, and serve the LORD your God, that his fierce anger may turn away from you.

He built up the altar of the LORD, and offered thereon sacrifices of peace offerings and of thanksgiving, and commanded Judah to serve the LORD, the God of Israel.

Josiah took away all the abominations out of all the countries that pertained to the children of Israel, and made all who were found in Israel to serve, even to serve the LORD their God. All his days they did not depart from following the LORD, the God of their fathers.

He said to the Levites who taught all Israel, who were holy to the LORD, "Put the holy ark in the house which Solomon the son of David king of Israel built. There shall no more be a burden on your shoulders. Now serve the LORD your God, and his people Israel.