The Geneva Bible Translation Notes, [1599], at sacred-texts.com
(a) Jesus Christ in (Mat 22:44) gives the interpretation of this, and shows that this cannot properly be applied to David but to himself.
The LORD shall send the rod of thy strength out of (b) Zion: rule thou in the midst of thine enemies.
(b) And then it will stretch through all the world: and this power chiefly stands in the preaching of his word.
Thy people [shall be] willing in the day of (c) thy power, in the beauties of holiness from the womb of the morning: thou hast the dew of thy youth.
(c) By the word your people will be assembled into your Church...increase will be...anointed wonderful... drops of the...
The LORD hath sworn, and will not repent, Thou [art] a priest for ever after the order of (d) Melchizedek.
(d) As Melchizedek the figure of Christ was both a King and Priest, so this effect cannot be accomplished on any king save only Christ.
He shall judge among the heathen, he shall fill [the places] with the dead bodies; he shall wound the (e) heads over many countries.
(e) No power will be able to resist him.
He shall (f) drink of the brook in the way: therefore shall he lift up the head.
(f) Under this comparison of a captain that is so eager to destroy his enemies that he will not scarce drink by the way, he shows how God will destroy his enemies.