Psalms 110:4
The LORD has sworn
What it says
The LORD has sworn and will not change his mind: this ruler is a priest forever according to the order of Melchizedek.
What it is doing
This verse gives the psalm its central declaration of permanent priesthood.
In context
1A Psalm of David. 2The LORD extends Your mighty scepter from Zion: 3Your people shall be willing 4The LORD has sworn 5The Lord is at Your right hand; 6He will judge the nations, heaping up the dead; 7He will drink from the brook by the road;