BIBLE QUESTION
How do Jesus' flesh and blood become life?
Jesus' flesh and blood become life when a person receives them by faith, uniting with Christ and sharing in the eternal life He gives.
Answer
In John 6:53-56 Jesus teaches that His flesh and blood are the true food and drink that impart eternal life. Eating His flesh and drinking His blood is not a literal cannibalistic act but a figure for receiving Christ Himself in faith, just as one takes nourishment into oneself. Verse 55 emphasizes that His flesh is 'meat indeed' and His blood is 'drink indeed' — that is, they are the genuine, substantial sustenance for the soul, surpassing any physical food.
This spiritual eating produces life in two ways. First, it grants eternal life now (v. 54) and guarantees resurrection at the last day. Second, it creates mutual indwelling: the one who feeds on Christ abides in Him and He in them (v. 56). Just as the living Father sent the Son and the Son lives because of the Father, so the one who feeds on the Son lives because of Him (v. 57). The language of 'flesh and blood' points to the whole person of Christ — His incarnate, crucified, and given humanity — which must be received for salvation.
Jesus clarifies in 6:63 that His words are 'spirit and life,' indicating that the benefit comes through the Holy Spirit, not through any physical transaction. To 'eat' is to believe and trust in the Son whom the Father has sent (6:47). Those who reject this teaching withdraw (6:66), while those who remain confess, 'You have the words of eternal life' (6:68). The passage therefore ties the receiving of Christ's flesh and blood to faith-union with Him, the source of everlasting life.
Context
John 6 records the Bread of Life discourse, set after the feeding of the 5,000 (6:1-14) and Jesus' walking on the sea (6:16-21). The crowd pursues Jesus across the lake, but He rebukes their motives: they seek Him for more bread rather than for the signs pointing to who He is (6:26-27).
Jesus contrasts perishable food with the 'food which abideth unto eternal life' that the Son of Man will give (6:27). He declares, 'I am the bread of life' (6:35), then progressively intensifies the imagery from believing to feeding on His flesh and blood (6:51-58). The crowd's confusion and many disciples' departure (6:60-66) frame the radical nature of His claim that receiving His person is essential for life.
Related scriptures
- John 6:53 This verse is the hinge of the discourse: without eating the Son of Man's flesh and drinking His blood, there is no life in a person. It establishes the necessity of personally receiving Christ for eternal life.
Common questions
Is Jesus speaking literally about eating His flesh in John 6?
John 6:63 indicates His words are 'spirit and life,' showing the teaching is spiritual. 'Eating' His flesh means receiving Christ by faith, not a physical act. Believers throughout church history have also understood these words to point forward to the Lord's Supper, in which the bread and wine signify the body and blood of Christ given for salvation.
Why did many disciples leave after this teaching?
Jesus' claim to be the bread from heaven and the demand to eat His flesh and drink His blood was offensive to those who understood Him only carnally. When they refused the deeper meaning — that receiving His person brings eternal life — they turned away (John 6:60-66), showing that genuine discipleship requires accepting His self-offering as the source of life.
What is the relationship between this passage and the Lord's Supper?
John 6:53-56 does not describe the Lord's Supper directly, but its language — flesh as true food, blood as true drink, and mutual indwelling — closely parallels Jesus' words at the Last Supper (Matthew 26:26-28). The discourse grounds the Supper's meaning: the believer feeds on Christ by faith, receiving His life given for the world.