Interpreting Matthew 6:22-23 on the Eye of the Heart
In Matthew 6:22-23, Jesus states, "The eye is the lamp of the body. Therefore if your eye is sincere, your whole body will be full of light. But if your eye is evil, your whole body will be full of darkness. If therefore the light that is in you is darkness, how great is the darkness!" (LEB) [1]. This passage is part of Jesus' Sermon on the Mount, specifically within a section that addresses the pursuit of earthly versus heavenly treasures and the dangers of divided loyalties [4]. It immediately follows the teaching about storing up treasures in heaven rather than on earth, emphasizing that where one's treasure is, there one's heart will be also [4]. The verses that follow discuss the impossibility of serving both God and money, reinforcing the theme of singular devotion [3].
The phrase "the eye is the lamp of the body" uses a common metaphor where the eye is understood as the organ through which light enters the body, illuminating it [3]. The key terms in this passage are "sincere" (ἁπλοῦς, haplous) and "evil" (πονηρός, ponēros) when describing the eye. In this context, "sincere" (or "healthy" in some translations) refers to a morally sound state, characterized by a simple, wholehearted devotion to God [3]. It also carries the connotation of generosity, contrasting with the covetousness implied by an "evil" eye [3]. The "evil" eye, conversely, signifies a state of moral corruption, often associated with greed or envy. Augustine connects the "disordered eye of the heart" to "evil desire, covetousness, injustice, worldly concupiscence," which he says "disorder, close, blind the eye of the heart" [6].
The interpretation of the "eye" in this passage extends beyond mere physical sight. It is often understood as a metaphor for one's inner disposition, moral outlook, or the "eye of the heart" [6]. Charles Hodge notes that the word "heart" in Scripture often means the whole soul, including thoughts, intentions, and affections [7]. Therefore, a "sincere eye" implies a pure heart, focused singularly on God and His will, leading to a life filled with spiritual light and understanding [5]. Conversely, an "evil eye" indicates a heart corrupted by worldly desires, leading to spiritual darkness and moral blindness [6].
The contrast between light and darkness is a recurring biblical theme, often symbolizing good versus evil, truth versus falsehood, or spiritual understanding versus ignorance. For instance, Isaiah 5:20 speaks of those who "call evil good and good evil, who put darkness for light and light for darkness" [2]. Jesus' teaching here suggests that the internal state of a person, represented by the "eye," determines their perception and experience of the world. If the inner "light" (one's moral and spiritual discernment) is itself corrupted and becomes "darkness," then the resulting spiritual blindness is profound and dangerous [1].
This passage has functioned significantly in Christian tradition as a call to inner purity and singular devotion. It underscores Jesus' emphasis on heart-righteousness over mere external conformity [5]. The concept of a "pure heart" is central to Jesus' teachings, as seen in the Beatitudes, where "blessed are the pure in heart, for they shall see God" [5]. The "sincere eye" in Matthew 6:22-23 is thus intrinsically linked to this purity of heart, which enables one to perceive and live according to God's truth, leading to a life "full of light" [5].
Sources
- Matthew “Matthew 6:22 (LEB) — “The eye is the lamp of the body. Therefore if your eye is sincere, your whole body will be full of light.”
- OpenBible.info “Cross-reference: Isa.5.20 → Matt.6.22-Matt.6.23 (confidence: 21 votes)”
- Matthew (Protestant academic) “Tyndale House on Matthew 6:22: 6:22 Your eye is like a lamp: It gives light to the body and so enlightens the entire person. • Healthy means morally healthy, with simple, wholehearted devotion to God (6:24). Here it connotes generosity.”
- Matthew (Baptist/Reformed) “John Gill on Matthew 6:21: For where your treasure is, there will your heart be also. This seems to be a proverbial expression, and contains in it another reason, dissuading from worldly mindedness; because of the danger the heart is in of being ensnared and ruined thereby: and the sense of it is, if your treasure is on earth, and lies in earthly things, your hearts will be set upon them, and be in them, in your bags, your coffers and storehouses; and so your souls will be in danger of being lost; which loss will be an irreparable one, though you should gain the whole world. But if your treasu”
- Matthew (Protestant academic) “Tyndale House on Matthew 5:8: 5:8 Those whose hearts are pure (see Pss 24:3-5; 51:7; Isa 6:5) are contrasted with those who thought that they had satisfied God’s will through ceremonial conformity to tradition (Matt 23:25-26). Jesus insisted on simple, true heart-righteousness (see 6:1-24; 15:1-20; 23:23-28; Deut 6:5). • They will see God and thereby attain even more than Moses did (see Exod 33:18-23; 34:5-7; see also Ps 73:1).”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 6: Augustine — Homilies on the Gospels — ON THE WORDS OF THE GOSPEL, MATT. XX. 30, ABOUT THE TWO BLIND MEN SITTING BY THE WAY SIDE, AND CRYING OUT, "LORD, HAVE MERCY ON US, THOU SON OF DAVID." (part 6): the light of righteousness, and dares not and cannot contemplate it. 6. And what is it that disorders the eye of the heart? Evil desire, covetousness, injustice, worldly concupiscence, these disorder, close, blind the eye of the heart. And yet when the eye of the body is out of order, how is the physician sought out, what an absence of all delay to open and cleanse it, that that may b”
- CCEL (Reformed (Old Princeton)) “Charles Hodge, Systematic Theology, Vol. 2, section 140: do them.” Jeremiah xxiv. 7 , “I will give them an heart to know me. The Psalmist prayed, “Create in me a clean heart, O God; and renew a right spirit within me.” ( Ps. li. 10 .) It is admitted that the word heart, like all other familiar terms, is used in different senses in the Scriptures. It often means the whole soul; as when mention is made of the eyes, the thoughts, and the intentions of the heart. It very frequently means the feelings or affections, or is used collectively for them all, or for the seat of the feelings. A cold, hard”