Testing Everything: Why Christians Must Still Discern
One of the quiet assumptions of our age is that love requires silence. If you truly care about people, we are told, you will not question their choices, beliefs, or values. You will celebrate them. You will affirm them. You will “let people live their truth.” Anything less is presumed to be intolerance or, worse, hatred. Under that assumption, the only remaining sin is to say that anything is actually sinful.
But Scripture paints a very different picture of love. Real love is not indifferent to what destroys a person. It does not smile while someone walks toward a cliff. It does not shrug when deception takes hold. It is precisely because people matter that truth matters. This is why the writers of the New Testament speak so often about discernment—not as an optional skill for a few particularly reflective Christians, but as a normal part of following Christ.
Paul gives one of the clearest statements of this when he writes, “Test everything; hold fast what is good. Abstain from every form of evil.” (1 Thessalonians 5:21–22). The command is not to drift with the cultural current or to treat all ideas as equally valid. It is to test—to weigh, to evaluate, to distinguish—and then to cling to what is genuinely good. In another place, he says, “Let love be genuine. Abhor what is evil; hold fast to what is good.” (Romans 12:9). Genuine love, according to Scripture, has two hands: one that embraces good and one that refuses evil. Both require judgment in the sense of discernment.
This is not harshness; it is recognition of reality. Scripture consistently teaches that not every voice leads toward life. There are lies. There are destructive ideas that wear the language of compassion while quietly undermining the soul. There are teachers who use religious language to serve themselves rather than God. For that reason, John writes bluntly, “Beloved, do not believe every spirit, but test the spirits to see whether they are from God.” (1 John 4:1). The early church was not told to accept every spiritual claim for fear of offending. They were told to test them, because “many false prophets have gone out into the world.”
Jesus Himself warned His followers that deception would sometimes look gentle, compassionate, and persuasive. “Beware of false prophets, who come to you in sheep’s clothing but inwardly are ravenous wolves.” (Matthew 7:15). Wolves do not announce themselves with fangs bared; they appear harmless. The way to recognize them, Jesus says, is by their fruit—the actual results of their lives and teaching (Matthew 7:16–20). That recognition requires thoughtful judgment. It asks more than, “Does this sound kind?” It asks, “What does this produce in real human lives?” A community unwilling to judge fruit will eventually be devoured by what it refused to name.
This call to discernment is not merely defensive. It is part of Christian maturity. The writer of Hebrews describes mature believers as those “who have their powers of discernment trained by constant practice to distinguish good from evil.” (Hebrews 5:14). Discernment is something practiced, developed, and sharpened. Children will believe almost anything that is said with confidence. Adults, in the spiritual sense, learn to recognize counterfeits because they have come to know what is true so well that imitations reveal themselves.
This matters deeply in an age where sincerity is often mistaken for truth. We hear, “They mean well,” and assume that intention settles the question. Scripture is more honest than that. Saul of Tarsus was sincere when he persecuted Christians—he was also sincerely wrong (Acts 26:9–11). The fact that someone feels passionately or speaks with tears does not make their words true. Paul warned the Ephesian elders that fierce wolves would arise “from among your own selves” and would speak “twisted things” (Acts 20:29–30). His answer was not cynicism but alertness.
Yet this same Paul who urged such vigilance also commanded humility. He wrote, “Knowledge puffs up, but love builds up.” (1 Corinthians 8:1). Discernment without love becomes intellectual pride. Love without discernment becomes sentimentality that cannot protect anyone from harm. The Christian life rejects both extremes. When Paul tells the Philippians that his prayer is that their “love may abound more and more, with knowledge and all discernment”(Philippians 1:9), he is tying the two together deliberately. Love and discernment are not rivals. Love is what drives discernment. Discernment is what keeps love from losing its way.
The Bereans again give us a living portrait of this balance. When Paul preached in their synagogue, they did not accept his message simply because he spoke persuasively, nor did they reject it because it was new. Luke tells us they “received the word with all eagerness, examining the Scriptures daily to see if these things were so” (Acts 17:11). Eagerness and examination existed together. They were open-hearted and careful at the same time. Scripture praises them for this rather than rebuking them. The church does not need less of that spirit today—it needs more.
Discernment also means recognizing that not every desire is trustworthy simply because it is deeply felt. Our hearts are capable of both love and self-deception. Scripture is frank about this when it describes the human heart as something that can go astray (Hebrews 3:10) and warns believers not to be “hardened by the deceitfulness of sin.” (Hebrews 3:13). Sin does not always look like rebellion at first. It often looks reasonable, even compassionate. It whispers that God’s boundaries are too strict, that consequences are exaggerated, that obedience can wait. Without discernment, those whispers sound like wisdom.
None of this means Christians are called to be suspicious of everyone or cynical about everything. Cynicism is simply another form of blindness. Discernment, by contrast, has hope in it. It believes that truth exists and can be known. It believes that God has spoken clearly enough in Scripture to guide His people. It believes that the Holy Spirit convicts, corrects, and leads into truth (John 16:13). The goal of discernment is not to catch others in error but to walk in reality—first ourselves, and then alongside others.
The alternative is not neutral. A refusal to discern is itself a decision. When the church loses the courage to judge between truth and falsehood, it does not become more loving; it becomes more easily misled. It begins to call darkness light and light darkness, to heal the wound of the people lightly and say “Peace, peace” when there is no peace (Jeremiah 6:14). A community that will not say “this is wrong” eventually loses the ability to say “this is right,” because the meaning of right and wrong dissolves. Clarity disappears in the name of compassion, and in the end, neither remains.
Jesus’ own life saves us from thinking that love requires silence. He was the most compassionate person who ever lived, and yet He spoke with extraordinary clarity. He wept over Jerusalem and also pronounced woe over unrepentant cities (Luke 19:41–44; Matthew 11:20–24). He welcomed sinners and confronted sin. He invited the weary and rebuked the hard-hearted. Grace and truth were not alternating moods in Him; John says He came “full of grace and truth.” (John 1:14). To follow Him is to refuse the false choice between tenderness and clarity.
So, Christians must still discern—not because we are eager to correct, but because reality matters; not because we enjoy finding fault, but because deception wounds; not because we believe ourselves superior, but because we know the cost of believing what is false. Discernment is not a weapon to win arguments. It is a form of faithfulness, a way of loving God with our minds and loving our neighbors enough to care about what shapes their lives.
To test everything is not to live in perpetual suspicion; it is to live awake. To hold fast to what is good is not narrowness; it is wisdom. To abstain from evil is not bigotry; it is loyalty to the One who called evil by its name and then bore its cost on the cross. In that light, discernment is not merely permitted—it is an essential part of what it means to live as people of truth in a world that often prefers comforting illusions.
Content taken from “If You Have Ever Passed Judgment, Was It Within the Limits of Scripture?” – Link
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