Charles H. Spurgeon on Psalms 45:3

Gird thy sword upon thy thigh. Loving spirits jealous of the Redeemer's glory long to see him putting forth his power to vindicate his own most holy cause. Why should the sword of the Spirit lie still, like a weapon hung up in an armoury; it is sharp and strong, both for cutting and piercing: O that the divine power of Jesus were put forth to use against error. The words before us represent our great King as urged to arm himself for battle, by placing his sword where it is ready for use. Christ is the true champion of the church, others are but underlings who must borrow strength from him; the single arm of Immanuel is the sole hope of the faithful. Our prayer should be that of this verse. There is at this moment an apparent suspension of our Lord's former power, we must by importunate prayer call him to the conflict, for like the Greeks without Achilles we are soon overcome by our enemies, and we are but dead men if Jesus be not in our midst. O most mighty. A title well deserved, and not given from empty courtesy like the serenities, excellencies and highnesses of our fellow mortals —titles, which are but sops for vain glory. Jesus is the truest of heroes. Hero worship in his case alone is commendable. He is mighty to save, mighty in love. With thy glory and thy majesty. Let thy sword both win thee renown and dominion, or as it may mean, gird on with thy sword thy robes which indicate thy royal splendour. Love delights to see the Beloved arrayed as beseemeth his excellency; she weeps as she sees him in the garments of humiliation, she rejoices to behold him in the vestments of his exaltation. Our precious Christ can never be made too much of. Heaven itself is but just good enough for him. All the pomp that angels and archangels, and thrones, and dominions, and principalities, and powers can pour at his feet is too little for him. Only his own essential glory is such as fully answers to the desire of his people, who can never enough extol him.