The “knowledge” intended is perhaps chiefly ritualistic and musical—such knowledge as enabled them to conduct the service of the sanctuary satisfac…

Spoke comfortably. —See margin, and compare to Isaiah 40:2.

That taught the good knowledge of the Lord. —R…

And Hezekiah spoke comfortably to all the Levites
Or "to the heart" ^F21 of them, such things as were very…

Many prayers were offered to God with the peace-offerings. In these, Israel looked to God as the God of their fathers, a God in covenant with them.…