'According to the Word of the Lord' in the Bible

And when all the elders of Israel were come to the king to Hebron, David made a covenant with them there before the LORD. And they anointed David king over Israel according to the word of the LORD by the hand of Samuel.

These are the principal men of power that clave to David in his kingdom with all Israel, to make him king upon Israel according to the word of the LORD.

And the children of the Levites bare the Ark of God upon their shoulders with staves thereon as Moses commanded according to the word of the LORD.