But I say to you, Swear not at all; neither by heaven; for it is God's throne:
Swear.
Deuteronomy 23:21-23 When thou shalt vow a vow unto the LORD thy God, thou shalt not slack to pay it: for the LORD thy God will surely require it of thee; and it would be sin in thee…
Ecclesiastes 9:2 All things come alike to all: there is one event to the righteous, and to the wicked; to the good and to the clean, and to the unclean; to him that sacrificeth, and to him that sacrificeth not: as is the good, so is the sinner; and he that sweareth, as he that feareth an oath.
James 5:12 But above all things, my brethren, swear not, neither by heaven, neither by the earth, neither by any other oath: but let your yea be yea; and your nay, nay; lest ye fall into condemnation.
heaven.
Matthew 23:16-22 Woe unto you, ye blind guides, which say, Whosoever shall swear by the temple, it is nothing; but whosoever shall swear by the gold of the temple, he is a debtor! …
Isaiah 57:15 For thus saith the high and lofty One that inhabiteth eternity, whose name is Holy; I dwell in the high and holy place, with him also that is of a contrite and humble spirit, to revive the spirit of the humble, and to revive the heart of the contrite ones.
Isaiah 66:1 Thus saith the LORD, The heaven is my throne, and the earth is my footstool: where is the house that ye build unto me? and where is the place of my rest?
either by heaven,
Swearing by heaven was a common practice among the Jews, as it was considered a way to invoke a higher authority without directly using God's name. This reflects the cultural and religious practices of the time, where people sought to avoid using the divine name in vain, as instructed in the Ten Commandments (Exodus 20:7). By addressing this, Jesus points out that even swearing by heaven is inappropriate because it is still indirectly invoking God's authority.
for it is God’s throne;
This phrase highlights the sacredness of heaven, as it is described as God's throne. This imagery is consistent with Old Testament references, such as Isaiah 66:1, where God declares, "Heaven is My throne, and the earth is My footstool." By emphasizing that heaven is God's throne, Jesus underscores the seriousness of invoking heaven in oaths, as it is directly associated with God's sovereign rule and presence. This teaching reinforces the idea that all oaths, regardless of what they are sworn by, ultimately relate back to God, and thus should be avoided to maintain the sanctity of one's word.
Jesus speaks with divine authority, not merely offering an opinion.
• His words override the traditional rabbinic teaching just quoted (v. 33), showing that He fulfills and clarifies the Law (Matthew 5:17).
• Other moments when He authoritatively says “I tell you” include Matthew 5:22, 28 and Matthew 7:29, underscoring that His voice is the decisive standard.
• John 12:49–50 reminds us that the Father’s command is in every word Jesus utters, so we can receive this instruction as the very voice of God.
The command is comprehensive; Jesus removes every loophole.
• Leviticus 19:12 forbade false swearing, but people still took casual oaths; Christ shuts that door completely.
• James 5:12 echoes Him: “Above all, my brothers, do not swear, not by heaven or earth or any other oath.”
• The point is truthful speech that needs no embellishment (Ephesians 4:25). Our simple “Yes” or “No” should be so trustworthy that no oath is required.
First-century Jews often used substitutes for God’s name, thinking it less binding.
• Matthew 23:16-22 details these evasive formulas (“by the temple,” “by the altar”) and shows Jesus dismantling them.
• Swearing by created things still invokes the Creator, so the dodge fails.
• Revelation 10:6 illustrates an angel swearing “by Him who lives forever,” reminding us that the only rightful object of an oath is God Himself.
Jesus exposes why swearing by heaven is still sacred.
• Isaiah 66:1—“Heaven is My throne, and earth is My footstool”—links the place to the Person.
• Acts 7:49 cites the same verse, affirming heaven’s intimate connection to God’s sovereignty.
• By calling heaven “God’s throne,” Jesus teaches reverence; every casual oath drags the holy into the ordinary.
Matthew 5:34 shuts down every attempt to prop up our words with oaths. Because heaven is God’s throne, even indirect vows still invoke His name. Therefore, followers of Christ must speak plainly and truthfully, relying on integrity rather than oaths to guarantee honesty.
(34) Swear not at all.--Not a few interpreters, and even whole Christian communities, as e.g. the Society of Friends, see in these words, and in James 5:12, a formal prohibition of all oaths, either promissory or evidential, and look on the general practice of Christians, and the formal teaching of the Church of England in her Articles (Art. xxxix.), as simply an acquiescence in evil. The first impression made by the words is indeed so strongly in their favour that the scruples of such men ought to be dealt with (as English legislation has at last dealt with them) with great tenderness. Their conclusion is, however, it is believed, mistaken: (1) Because, were it true, then in this instance our Lord would be directly repealing part of the moral law given by Moses, instead of completing and expanding it, as in the case of the Sixth and Seventh Commandments. He would be destroying, not fulfilling. (2) Because our Lord himself answered, when He had before been silent, to a solemn formal adjuration (Matthew 26:63-64), and St. Paul repeatedly uses such forms of attestation (Romans 1:9; 1Corinthians 15:31; 2Corinthians 1:23; Galatians 1:20; Philippians 1:8). (3) Because the context shows that the sin which our Lord condemned was the light use of oaths in common speech, and with no real thought as to their meaning. Such oaths practically involved irreverence, and were therefore inconsistent with the fear of God. The real purpose of an oath is to intensify that fear by bringing the thought of God's presence home to men at the very time they take them, and they are therefore rightly used when they attain that end. Practically, it must be admitted that the needless multiplication of oaths, both evidential and promissory, on trivial occasions, has tended, and still tends, to weaken awe and impair men's reverence for truth, and we may rejoice when their number is diminished. In an ideal Christian society no oaths would be needed, for every word would be spoken as by those who knew that the Eternal Judge was hearing them. . . . Verse 34. - Swear not at all (cf. James 5:12). Yet, as St. Augustine points out, St. Paul took oaths in his writings (2 Corinthians 1:23; 2 Corinthians 11:31); and our Lord himself did not refuse to answer when put upon his oath (Matthew 26:63, 64). He, that is to say, and St. Paul after him, accepted the fact that there are times when a solemn oath must be taken. How, then, can we explain this absolute prohibition here? In that our Lord is not here thinking at all of formal and solemn oaths, but of oaths as the outcome of impatience and exaggeration. The thoughtlessness of fervent asseveration is often betrayed into an oath. Such an oath, or even any asseveration that passes in spirit beyond "yea, yea," "nay, nay," has its origin ἐκ τοῦ πονηροῦ; cf. Chaucer, "Sweryng sodeynly without avysement is eek a gret synne" ('Parson's Tale,' § 'De Ira'). Martensen, however ('Ethics, Individual,' § 100), takes the prohibition of oaths as formally unconditional and total, in accordance with the highest ideal of what man will hereafter be and require, and he sees the limitation, which he allows is to be given to these words, in the present conditions of human society. We have an ideal duty towards God, but we have also a practical duty to those among whom we live, and the present state of human affairs permits and necessitates oaths. Hence it was that even Christ submitted to them. Neither by heaven, etc. Our Lord further defines what he means by an oath. It does not mean only an expression in which God's Name is mentioned, but any expression appealing to any object at all, whether this be supraterrestrial, terrestrial, national, or personal. Although God's Name is often omitted in such cases, from a feeling of reverence, its omission does not prevent the asseveration being an oath. Heaven; Revised Version, the heaven; for the thought is clearly not the immaterial transcendental heaven, the abode of bliss, but the physical heaven (cf. Matthew 6:26, Revised Version). Heaven... footstool. Adapted from Isaiah 66:1, where it forms part of the glorious declaration that no material temple can contain God, that "the Most High dwelleth not in temples made with hands" as St. Stephen paraphrases it (Acts 7:48). The great King is seated enthroned in the heaven, with his feet touching the earth.