John 6:63
Bible Verses. Also called John 6:63, Jn 6:63, The words that I speak unto you, they are spirit, and they are life, It is the spirit that quickeneth.
It is the spirit that quickeneth; the flesh profiteth nothing: the words that I speak unto you, they are spirit, and they are life.
Scripture quotation from the King James Version (KJV). Read this chapter
John 6:63 is the verse in which Jesus tells disciples who found his teaching on the bread of life hard to accept that "it is the spirit that quickeneth" and that his words "are spirit, and they are life." It is often cited in discussions of the power of the Word, and it was one of the key texts in the Eucharistic controversies of the Reformation.
About this articleAI draft from a Korean source. Notes on Korean Protestant practice. No sources listed. Not yet reviewed by a person.
- Origin
Drafted by AI from the Korean church.wiki article, then translated and adapted for English readers on 5 November 2026.
- Perspective
Includes notes on Korean Protestant practice; other traditions are noted where they differ.
- Sources
None listed yet. The article draws on the biblical text and general reference works. Add a source
- Review
Not yet reviewed by a person. Last edited by a person: never. Translation updated 5 November 2026. Edit history
Context
Chapter 6 of the Gospel of John contains a long discourse, given in the synagogue at Capernaum after the miracle of the five loaves and two fish, in which Jesus presents himself as the bread of life. When Jesus says that one must eat the flesh of the Son of Man and drink his blood in order to have life, many of his disciples murmur, saying, "This is an hard saying" (John 6:60). Jesus asks what they would think if they should see the Son of Man ascend up where he was before (6:62, understood as a reference to the Ascension), and then speaks the words of this verse. He goes on to point out that some of them do not believe. When many of the disciples go away, Peter, speaking for the remaining Twelve, confesses that the Lord has the words of eternal life (6:66–69).
Interpretation
- Reading as a contrast between spirit and flesh: Many commentators take "spirit" to mean the life-giving Spirit of God, that is, the Holy Spirit, and "flesh" to mean human nature and understanding that judges on its own apart from God. In this reading, "the flesh profiteth nothing" is not a negative judgment on the body itself. Rather, it is interpreted as a correction of hearers who had taken the preceding words literally, as though they were to chew actual flesh.
- Word-centered reading: This reading places its emphasis on the second half of the verse, "the words that I speak unto you, they are spirit, and they are life." It holds that the words of Jesus give life to people through the Holy Spirit, and it is frequently used in Protestant preaching as a basis for speaking of the power of the words of Scripture.
- Reading in connection with the Lord's Supper: In traditions that read the latter part of chapter 6 in relation to the Lord's Supper, this verse serves as a key to interpreting the meaning of the sacrament. This is discussed in the following section.
Controversies and Issues
Eucharistic controversy: At the Marburg Colloquy of 1529, Huldrych Zwingli is reported to have cited "the flesh profiteth nothing" in opposing the claim that the body of Christ is truly present in the bread and wine. Martin Luther countered that "flesh" here refers not to the flesh of Christ but to the thinking of the carnal person. John Calvin and the Reformed tradition understand believers to be spiritually united with Christ through the Holy Spirit, and they read the verse's contrast between spirit and flesh as emphasizing the role of the Holy Spirit. The Catholic Church reads the latter part of John 6 in close connection with the Eucharist and interprets "flesh" in this verse as referring to human, natural understanding. For details, see Eucharistic controversy.
Concerns about quotation out of context: Some observe that isolating "the flesh profiteth nothing" and using it as grounds for regarding the body or the material world as worthless takes the phrase out of context. In support, they note that the same Gospel speaks of the Incarnation, declaring that "the Word was made flesh" (John 1:14), and that the early church opposed Gnosticism and Docetism, which disparaged the body.
Translation: Interpreters differ on whether the Greek pneuma ("spirit") refers to the Holy Spirit or to the spiritual dimension of the human person. English translations are likewise divided between those that capitalize the word (Spirit) and those that render it in lowercase (spirit).
Perspective: Korean Protestant practiceHow this idea is used in Korean churches, kept from the original Korean article.
In Korean Protestant churches, the words "the words that I speak unto you, they are spirit, and they are life" are frequently cited in sermons encouraging Bible reading and quiet time, and in preaching that emphasizes the power of the Word.
Related Passages
See also 8
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