Psalms 45:3

“Gird thy sword upon [thy] thigh, O [most] mighty, etc.] As Christ is, the mighty God, even the Almighty, and which appears by his works of creation and providence; by the redemption of his people; by his care and government of them; by succouring them under all their temptations and afflictions; by strengthening them for every service, duty, and suffering; by pleading their cause, and supplying their wants; by preserving them to his kingdom and glory; by raising them from the dead at the last day, and by introducing them into the possession of the heavenly inheritance. This mighty One is called upon to “gird [on his] sword”: by which is meant either the sword of the Spirit, the word of God;…”

“The king is addressed as ready to go forth to battle. sword--(Compare Rev 1:16; Rev 19:15). mighty--(Compare Isa 9:6). glory and . . . majesty--generally used as divine attributes (Psa 96:6; Psa 104:1; Psa 111:3), or as specially conferred on mortals (Psa 21:5), perhaps these typically.”

“Gird thy sword upon thy thigh - That is, Arm or prepare thyself for battle and conquest. The Messiah is introduced here as a conquering king; as about to go forward to subdue the nations to himself; as about to set up a permanent kingdom. O most mighty - That is, Hero; Warrior; Conqueror. With thy glory and thy majesty - With the glory and majesty appropriate to thee; or which properly belong to thee. This is at the same time the expression of a wish on the part of the author of the psalm, and a prophetic description. The psalmist desired that he would thus go forth to the conquest of the world; and saw that he would do it. Compare Psalms 45:5-6. It is needless to remark that this is easily…”

“Thy sword - To smite thine enemies. And the sword is here put for all his arms, as it is in many other places. Psalms 45:4”

“45:3-5 The psalmist expounds on the royal splendor the king showed when fighting his enemies. 45:3 Glory and majesty belong to the Lord (96:6; 111:3).”

“Gird: Isa 49:2, Isa 63:1-6; Heb 4:12; Rev 1:16, Rev 19:15, Rev 19:21 O most: Isa 9:6, Isa 9:7; Act 10:36; Rom 14:9 glory: Psa 21:5, Psa 96:6, Psa 104:1, Psa 145:5, Psa 145:12; Heb 1:3, Heb 8:1; Jde 1:25 Psalms 45:4”

“(Heb.: 44:4-6) In the ever blessed one the greatest strength and vigour are combined with the highest beauty. He is a hero. The praise of his heroic strength takes the form of a summons to exert it and aid the good in obtaining the victory over evil. Brightness and majesty, as the objects to חגור, alternating with the sword, are not in apposition to this which is their instrument and symbol (Hengstenberg), but permutatives, inasmuch as חגור is zeugmatically referable to both objects: the king is (1) to gird himself with his sword, and (2) to surround himself with his kingly, God-like doxa. הוד והדר is the brilliancy of the divine glory ( Psa 96:6), of which the glory of the Davidic kingship…”