Charles H. Spurgeon on Psalms 110:1

Until I make thine emimies thy footstool. Every word is full of weight. For though ordinarily subdivisions of holy Scripture and crumbling of the bread of life be rather a loosing than an expounding of it; yet in such parts of it as were of purpose intended for models and summaries of fundamental doctrines, (of which sort this psalm is one of the fullest and briefest in the whole Scriptures), as in little maps of large countries, there is no word whereupon some point of weighty consequence may not depend. Here then is to be considered the term of duration or measure off Christ's kingdom: "until." The author of subduing Christ's enemies under him: "I, the Lord." The mariner thereof; ponam and ponam scabellum put thy foes as a stool under thy feet. Victory is a relative word, and presupposes enemies, and they are expressed in the text... Enmity shows itself against Christ in all the offices of his mediation. There is enmity against him as a prophet. Enmity against his truth, —in opinion by adulterating it with human mixtures and superinducement, teaching for doctrines the traditions of men; in affection, by wishing many divine truths were razed out of the Scriptures, as being manifestly contrary to those pleasures which they love rather than God; in conversation, by keeping down the truth in unrighteousness, and in those things which they know, as brute beasts, corrupting themselves. Enmity against his teaching, by quenching the motions, and resisting the evidence of his Spirit in the Word, refusing to hear his voice, and rejecting the counsel of God against themselves. There is enmity against him as a priest, by undervaluing his person, sufferings, righteousness, or merits. And as a king; enmity to his worship, by profaneness neglecting it, by idolatry misappropriating it, by superstition corrupting it. Enmity to his ways and service, by ungrounded prejudices, misjudging them as grievous, unprofitable, or unequal ways; and by wilful disobedience forsaking them to walk in the ways of our own heart. Edward Reynolds.