“Knowledge puffs up, but love builds up. If anyone thinks that he knows anything, he has not yet known as he ought to know; but if anyone loves God, this one is known by Him.” — 1 Corinthians 8:1–3 (Recovery Version)
“If I have the gift of prophecy, and know all mysteries and all knowledge, and if I have all faith so as to remove mountains, but do not have love, I am nothing.” — 1 Corinthians 13:2 (Recovery Version)
“That you may be full of strength to apprehend with all the saints what the breadth and length and height and depth are, and to know the knowledge-surpassing love of Christ, that you may be filled unto all the fullness of God.” — Ephesians 3:18–19 (Recovery Version)
Paul uses two verbs in 1 Corinthians 8:1. One is physioo (φυσιόω) — to inflate, to puff up (Blue Letter Bible: G5448). The other is oikodomeo (οἰκοδομέω) — to build, from the root oikos (house), literally to construct a house (Blue Letter Bible: G3618). One verb manufactures air. The other builds a house.
This is not Paul’s indictment of knowledge. It is his diagnosis of a specific disease: when knowledge detaches from love, it transforms from building material into a balloon — volume expanding, structure vanishing.
The Corinthian Epidemic
Physioo appears seven times in the New Testament; six of those are in 1 Corinthians. The Corinthians were inflated over their teachers (4:6), inflated over sin they tolerated (5:2), inflated over their knowledge (8:1). Same condition, different symptoms.
Then in 13:4, the same word appears in the description of love: “Love … is not puffed up.” 8:1 says: knowledge inflates. 13:4 says: love does not inflate. Paul measures two things with the same ruler and lets the reader see the contrast.
Knowledge says: I see what you cannot. Love says: I see you, and I see your need. Knowledge asks: Who is right? Love asks: Who is being built up?
You Do Not Yet Know
1 Corinthians 8:2–3: “If anyone thinks that he knows anything, he has not yet known as he ought to know; but if anyone loves God, this one is known by Him.”
Notice the turn — from “knowing” to “being known.” The person who thinks he knows has not yet truly begun to know. And the person who loves God — Paul does not even say he has come to know anything — he is known by God. The highest form of knowledge is not possessing a set of correct propositions. It is being possessed by a God who knows you.
Calvin commented on this passage: “The beginning of all true knowledge is the knowledge of God — a knowledge that produces in us humility and submission.” He added: “That knowledge you boast of, Corinthians, is wholly opposed to love, because it fills one with pride” (Calvin on 1 Corinthians 8). When knowledge produces inflation rather than humility, it exposes its own corruption.
Chrysostom (c. 347–407) pushed the point further in Homily 20 on 1 Corinthians: “The one who loves, because he has fulfilled the most supreme of commandments, even if he has certain deficiencies, will quickly be granted knowledge through his love — just as Cornelius and many others.” Then he reversed it: “The one who has knowledge but not love will not only fail to gain more but will lose what he has” (Chrysostom, Homily 20 on 1 Corinthians (New Advent)).
Love is the path to knowledge. Knowledge is not the path to love. The order cannot be reversed.
Knowledge Will Pass Away; Love Never Fails
1 Corinthians 13:8: “Love never falls away; but whether prophecies, they will be rendered useless; or tongues, they will cease; or knowledge, it will be rendered useless.”
Paul is not belittling knowledge. He is marking its expiration date. Knowledge — including our most precise understanding of Scripture — belongs to the stage of “seeing in a mirror dimly” (13:12). It is scaffolding, not the building. When the building is finished, the scaffolding comes down. Love does not come down. Love is the building itself.
Calvin wrote: “Prophecy has an end, tongues cease, knowledge ceases. Love therefore surpasses them — because when they fail, love endures” (Calvin on 1 Corinthians 13). Chrysostom said it more directly: “It is not knowledge that is done away with, but the partial nature of our knowledge” — today our knowledge is fragmentary; on that day the fragment will be replaced by completeness; but love will not be replaced on that day — “it is then most exalted, and becomes more fervent” (Chrysostom, Homily 34 on 1 Corinthians (New Advent)).
A community that treats doctrinal correctness — mastery of a particular interpretive framework, familiarity with a particular system of teaching — as the primary measure of spiritual identity is worshipping the scaffolding as if it were the building.
Love Is Not the Enemy of Knowledge
Philippians 1:9–10 is Paul’s own prayer: “And this I pray, that your love may abound yet more and more in full knowledge (epignosis, ἐπίγνωσις) and all discernment.” Epignosis (G1922) is not ordinary gnosis — the prefix epi intensifies the meaning. This is precise, full, experiential knowledge (Blue Letter Bible: G1922). Paul does not pray that love will replace knowledge. He prays that love will abound in the deepest kind of knowledge.
Ephesians 3:18–19 pushes this paradox to its limit: “to know the knowledge-surpassing love of Christ.” To know something that surpasses knowledge — a paradox. Christ’s love is not an object that a knowledge system can fully capture. You know it not by reducing it to propositions but by living inside it, by being changed by it. Knowledge here reaches its own boundary, and love carries you across.
Colossians 2:2–3 gives the final integration: “That their hearts may be comforted, they being knit together in love, unto all the riches of the full assurance of understanding, unto the full knowledge of the mystery of God, Christ, in whom all the treasures of wisdom and knowledge are hidden.” The path to the deepest knowledge passes through union in love, through Christ Himself. Knowledge and love are not two parallel roads. They converge in Christ.
Love Is the Key to Interpretation
Augustine (354–430) put forward a bold principle in De Doctrina Christiana I: “The fulfillment and end of the Law and all Holy Scripture is love.” Any interpretation that “does not tend to build up this twofold love of God and neighbor” has departed from the purpose of Scripture. He even said: an interpreter who has not found the author’s precise original meaning, “if his interpretation tends to build up love,” has made a harmless error (Augustine, De Doctrina Christiana I.35–36 (New Advent)).
This does not mean truth is unimportant. Augustine’s point: if your interpretation of Scripture makes you prouder, more closed off, more contemptuous of other believers, then even if your interpretation is technically correct, you have departed from the purpose for which Scripture was written. The purpose of Scripture is not to produce people who possess the right answers. It is to produce people who love God and love people.
Whether a community’s interpretation is healthy can be tested. The final test is not “are its conclusions precise” — though precision matters — but “is it producing love?” Chrysostom said: “Love is the artificer of all virtue” (Chrysostom, Homily 33 on 1 Corinthians (New Advent)). When the fruit of doctrinal study is division, contempt, and exclusion, the fruit itself contradicts the doctrine’s correctness.
The One Who Does Not Love Does Not Know
1 John 4:7–8 takes the relationship between knowledge and love to bedrock: “Beloved, let us love one another, because love is of God; and everyone who loves has been begotten of God and knows God. He who does not love has not known God, because God is love.”
John does not say “he who does not know God will not love.” He says the reverse: “He who does not love has not known God.” Love is not the result of knowledge — love is the evidence of knowledge. A person can master every branch of theology, can parse the subtlest semantic distinctions in the original languages — if he does not love the brothers and sisters, John says he has not known God. Not “still needs to grow.” Has not known.
Matthew Henry put it plainly: “A clear head and a deep understanding are of no value when joined with a cold and hard heart” (Matthew Henry on 1 Corinthians 13:2 (BibleHub)).
Knowledge is good. Precise understanding of the text is good. But all of it is material, not the building. Material that is not used to construct a house of love is just bricks piled on a job site — or worse, stones thrown at people.
Paul’s prayer points in one direction: love abounding in knowledge, knowledge maturing in love, both meeting in Christ. Whoever thinks he knows has not yet begun to know. Whoever loves God is already known by Him.