Exposition of Matthew 7:21 in the Context of Sermon on the Mount
Matthew 7:21, from the New American Standard Bible (NASB), states, "Not everyone who says to Me, ‘Lord, Lord,’ will enter the kingdom of heaven, but he who does the will of My Father who is in heaven." This verse serves as a critical warning within Jesus's Sermon on the Mount, emphasizing that verbal profession alone is insufficient for salvation; genuine obedience to God's will is required [9].
The Sermon on the Mount, recorded in Matthew chapters 5-7 and paralleled in Luke 6:20-49, is a foundational discourse delivered by Jesus to his disciples and a large multitude [3, 5, 6]. Augustine notes that Jesus ascended a mountain to deliver this sermon, which he interprets as signifying the "greater precept" being taught [7]. The sermon outlines the ethical demands of the kingdom of heaven, contrasting them with superficial religious practices. Matthew Henry describes this chapter as "purely practical, directing us to order our conversation aright, both toward God and man" [4]. The immediate context of Matthew 7:21 includes warnings against judging others (7:1-5), the importance of prayer (7:7-11), the "golden rule" (7:12), and the call to enter through the narrow gate (7:13-14), which is cross-referenced with Isaiah 30:21 [1]. Following this, Jesus cautions against false prophets, identifiable by their fruits (7:15-20), leading directly into the declaration about doing the Father's will [4].
The phrase "Lord, Lord" signifies a verbal acknowledgment of Jesus's authority or divinity. However, Jesus clarifies that this mere utterance does not guarantee entry into the kingdom of heaven. The core of the verse lies in "doing the will of My Father who is in heaven." This "will of my Father" is understood as being expressed in Jesus's teachings throughout the Sermon on the Mount and elsewhere in the Gospels [9]. For instance, Matthew 12:50 states, "For whoever does the will of My Father who is in heaven, he is My brother and sister and mother." This highlights that true discipleship is demonstrated through active obedience rather than just verbal affirmation.
The interpretation of this passage often centers on the nature of true faith and its relationship to works. The Puritan commentator Matthew Henry emphasizes that the sermon's conclusion is designed "to show the indispensable necessity of obedience to the commands of Christ" [8]. one tradition argues that while disciples sat at Jesus's feet and followed him, "the religion he came to establish is in power, not in word only (Co1 4:20), and therefore something more is necessary" [8]. This perspective underscores that genuine faith must manifest in a life of obedience.
The passage functions as a stark warning against hypocrisy and self-deception in religious practice. It challenges the assumption that outward religious acts or declarations are sufficient for salvation. Instead, it points to an internal transformation that results in a life aligned with God's moral and ethical standards. This theme is further developed in the subsequent verses (Matthew 7:22-23), where Jesus describes those who perform miraculous deeds in his name but are still rejected because they are "workers of lawlessness." The ultimate judgment, therefore, is not based on profession or even spiritual gifts, but on the consistent practice of God's will [2]. The concept of Jesus's return and judgment is cross-referenced with passages like Matthew 25:31, Daniel 7:13, and Revelation 1:7, which speak of the Son of Man coming in his kingdom [2].
Sources
- OpenBible.info “Cross-reference: Matt.7.14 → Isa.30.21 (confidence: 21 votes)”
- Treasury of Scripture Knowledge “Matthew 25:31 cross-references: Psalms 9:7, Daniel 7:13, Zechariah 14:5, Matthew 16:27, Matthew 19:28, Matthew 25:6, Matthew 26:64, Mark 8:38, Mark 14:62, Luke 9:26, Luke 22:69, John 1:51, John 5:27, Acts 1:11, 1 Thessalonians 4:16, 2 Thessalonians 1:7, Hebrews 1:8, Jude 1:14, Revelation 1:7, Revelation 3:21, Revelation 20:11”
- Easton's Bible Dictionary “Easton's Bible Dictionary: Sermon on the mount — After spending a night in solemn meditation and prayer in the lonely mountain-range to the west of the Lake of Galilee (Luke 6:12), on the following morning our Lord called to him his disciples, and from among them chose twelve, who were to be henceforth trained to be his apostles (Mark 3:14, 15). After this solemn consecration of the twelve, he descended from the mountain-peak to a more level spot (Luke 6:17), and there he sat down and delivered the "sermon on the mount" (Matt. 5-7; Luke 6:20-49) to the assembled multitude. The mountain here sp”
- Matthew (Nonconformist/Puritan) “Matthew Henry on Matthew 7 (introduction): This chapter continues and concludes Christ's sermon on the mount, which is purely practical, directing us to order our conversation aright, both toward God and man; for the design of the Christian religion is to make men good, every way good. We have, I. Some rules concerning censure and reproof (Mat 7:1-6). II. Encouragements given us to pray to God for what we need (Mat 7:7-11). III. The necessity of strictness in conversation urged upon us (Mat 7:12-14). IV. A caution given us to take heed of false prophets (Mat 7:15-20). V. The conclusion of the ”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 6: Augustine — Homilies on the Gospels — CHAP. XVII.--OF THE CALLING OF THE APOSTLES (part 2): conclusion of the sermon which He delivered on the mount. In this section of the narrative, Mark agrees with him in attesting the calling of the disciples Peter and Andrew, and a little after that, the calling of James and John. But whereas Matthew introduces in this immediate context his account of that lengthened sermon which He delivered on the mount, after He cured a multitude, and when great crowds followed Him, Mark has inserted other matters at this point, touching His teaching in th”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 6: Augustine — Homilies on the Gospels — CHAP. XIX.--OF THE LENGTHENED SERMON WHICH, ACCORDING TO MATTHEW, HE DELIVERED ON THE MOUNT. (part 2): they came up to their recollection. This same Luke, however, has also left us a version of his own of that copious discourse of the Lord, in a passage which he commences just as the section in Matthew begins. For in the latter the words run thus: "Blessed are the poor in spirit: for theirs is the kingdom of heaven;"(6) while in the former they are put thus: "Blessed be ye poor: for yours is the kingdom of God."(7) Then, too, much of what foll”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 6: Augustine — Homilies on the Gospels — CHAP. I.--1. If any one will piously and soberly consider the sermon which our Lord Jesus Christ spoke on the mount, as we read it in the Gospel according to Matthew, I think that he will find in it, (part 1): 4 2. The beginning, then, of this sermon is introduced as follows: "And when He saw the great(1) multitudes, He went up into a mountain:(2) and when He was set, His disciples came unto Him: and He opened His mouth, and taught them, saying." If it is asked what the "mountain" means, it may well be understood as meaning the greater precep”
- Matthew (Nonconformist/Puritan) “Matthew Henry on Matthew 7:21: We have here the conclusion of this long and excellent sermon, the scope of which is to show the indispensable necessity of obedience to the commands of Christ; this is designed to clench the nail, that it might fix in a sure place: he speaks this to his disciples, that sat at his feet whenever he preached, and followed him wherever he went. Had he sought his own praise among men, he would have said, that was enough; but the religion he came to establish is in power, not in word only (Co1 4:20), and therefore something more is necessary. I. He shows, by a plain r”
- Matthew (Protestant academic) “Tyndale House on Matthew 7:21: 7:21 The will of my Father is expressed in Jesus’ teachings (see also 12:50; 21:28-32; Rom 2:13; Jas 1:22-27).”