Onorato Diamante: Prophet or Wolf in Sheep’s Clothing?

 

There are many voices on the internet claiming to preach the Gospel of Jesus Christ. Some speak truth boldly. Others mix truth with dangerous error. The Apostle Paul warned that in the last days men would arise “speaking perverse things, to draw away disciples after them” (Acts 20:30 KJV). Jesus Himself warned repeatedly about false prophets who would come “in sheep’s clothing, but inwardly they are ravening wolves” (Matthew 7:15 KJV).

One modern internet preacher whose teachings deserve serious biblical examination is . While he presents himself as a defender of grace, his theology often resembles a mixture of antinomianism, easy-believism, and what could rightly be called a modern form of Gnostic Christianity — a system that separates salvation from holiness, obedience, repentance, and transformation.

This article is not a personal attack. It is a doctrinal examination. Scripture commands believers to “prove all things” (1 Thessalonians 5:21 KJV) and to “earnestly contend for the faith” (Jude 3 KJV). The issue is not personality, charisma, or YouTube popularity. The issue is truth.

The Dangerous Gospel of “Salvation Without Repentance”

One of the central problems with Onorato Diamante’s teachings is the redefining of repentance. Like many modern OSAS (“Once Saved Always Saved”) teachers, repentance is often reduced to merely a “change of mind” rather than a turning away from sin and rebellion against God.

But the Bible never presents repentance as merely intellectual agreement.

John the Baptist preached:

“Bring forth therefore fruits meet for repentance.” — Matthew 3:8 KJV

Jesus declared:

“Except ye repent, ye shall all likewise perish.” — Luke 13:3 KJV

Repentance in Scripture always involves a turning.

The Greek word metanoia indeed involves a change of mind, but a true biblical change of mind results in a changed life. A man who claims to have repented while continuing in rebellion proves his repentance was false.

The Apostle Paul described true repentance this way:

“That they should repent and turn to God, and do works meet for repentance.” — Acts 26:20 KJV

Notice that Paul connected repentance with turning to God and living differently.

Modern easy-believism says:

  • You can remain in willful sin.
  • You can continue living after the flesh.
  • You can reject holiness.
  • Yet still claim eternal security.

That doctrine is nowhere found in Scripture.

The Bible Says Christians Must Forsake Sin

Onorato Diamante and many similar teachers repeatedly attack the idea that believers must forsake sin. Yet the Bible plainly commands it.

“Let every one that nameth the name of Christ depart from iniquity.” — 2 Timothy 2:19 KJV

“Awake to righteousness, and sin not.” — 1 Corinthians 15:34 KJV

“For if ye live after the flesh, ye shall die: but if ye through the Spirit do mortify the deeds of the body, ye shall live.” — Romans 8:13 KJV

Paul did not say believers could comfortably continue living in sin because they once made a profession of faith. He warned Christians that living after the flesh brings death.

This directly destroys the modern OSAS teaching that future sins cannot endanger a believer spiritually.

Romans 6 Completely Refutes Antinomianism

Paul anticipated this very false teaching nearly 2,000 years ago.

“What shall we say then? Shall we continue in sin, that grace may abound?” — Romans 6:1 KJV

Paul’s answer?

“God forbid.” — Romans 6:2 KJV

Not “it doesn’t matter.” Not “all future sins are automatically covered.” Not “obedience is optional.”

Paul continues:

“How shall we, that are dead to sin, live any longer therein?” — Romans 6:2 KJV

The true Gospel does not merely forgive sin. It delivers from the dominion of sin.

“Being then made free from sin, ye became the servants of righteousness.” — Romans 6:18 KJV

Notice believers become servants of righteousness — not servants of ongoing rebellion while hiding behind grace.

The False Separation Between Faith and Obedience

One of the most dangerous modern teachings is the idea that obedience has nothing to do with salvation. Yet the Bible repeatedly joins faith and obedience together.

Hebrews says Jesus is:

“The author of eternal salvation unto all them that obey him.” — Hebrews 5:9 KJV

Jesus Himself declared:

“If ye love me, keep my commandments.” — John 14:15 KJV

John the Apostle wrote:

“And hereby we do know that we know him, if we keep his commandments.” — 1 John 2:3 KJV

Then John gives a terrifying warning:

“He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him.” — 1 John 2:4 KJV

Those are not my words. Those are the words of Scripture.

Modern grace teachers often accuse holiness preachers of “works salvation,” yet the Apostles consistently taught that genuine faith produces obedience.

James wrote:

“Faith without works is dead.” — James 2:26 KJV

Not weak. Not immature. Dead.

The Early Church Fathers Did Not Teach Modern OSAS

Another major problem with Onorato Diamante’s theology is that it is historically disconnected from the early church.

The earliest Christians overwhelmingly taught holiness, perseverance, obedience, and the danger of falling away.

Polycarp (disciple of the Apostle John)

wrote:

“He who raised Him from the dead will raise us also, if we do His will and walk in His commandments.”

Polycarp did not teach unconditional eternal security regardless of conduct.

Ignatius of Antioch

warned:

“It is fitting, therefore, that we should not merely be called Christians, but actually be Christians.”

He repeatedly emphasized holiness and obedience.

Irenaeus

wrote:

“Those who do not obey Him, being disinherited by Him, have ceased to be His sons.”

That is devastating to modern OSAS theology.

Clement of Rome

wrote:

“Let us cleave to those to whom grace is given from God. Let us clothe ourselves with concord, being humble, self-controlled, keeping ourselves far from all whispering and evil-speaking, being justified by works and not by words.”

The early church never taught: “Say a prayer once and live however you want.”

That theology came much later.

Gnostic-Like Christianity

Many modern grace teachers unknowingly echo ancient Gnostic ideas.

The Gnostics often claimed:

  • the body did not matter,
  • behavior did not affect salvation,
  • spiritual knowledge alone saved.

The Apostles fought these doctrines constantly.

John warned:

“Little children, let no man deceive you: he that doeth righteousness is righteous.” — 1 John 3:7 KJV

Then John says:

“He that committeth sin is of the devil.” — 1 John 3:8 KJV

Modern teachers twist grace into permission for carnality.

Jude warned this would happen:

“Turning the grace of our God into lasciviousness.” — Jude 4 KJV

The word lasciviousness refers to unrestrained sinful living.

That perfectly describes much of modern hyper-grace theology.

Jesus Warned About False Converts

Jesus never taught easy-believism.

He said:

“Not every one that saith unto me, Lord, Lord, shall enter into the kingdom of heaven.” — Matthew 7:21 KJV

Notice what separates the true from the false:

“but he that doeth the will of my Father which is in heaven.”

Then Jesus warns many religious people will be rejected:

“I never knew you: depart from me, ye that work iniquity.” — Matthew 7:23 KJV

The issue was ongoing lawlessness.

Modern grace teachers rarely preach against sin, worldliness, fornication, drunkenness, rebellion, adultery, pornography, or lukewarm Christianity. Instead, they often comfort people in sin while attacking anyone who preaches repentance and holiness.

But Jesus preached repentance constantly.

Paul Warned Believers They Could Fall Away

Contrary to OSAS teaching, Paul repeatedly warned believers about apostasy.

“Be not highminded, but fear.” — Romans 11:20 KJV

“For if God spared not the natural branches, take heed lest he also spare not thee.” — Romans 11:21 KJV

Paul also warned Christians:

“Let him that thinketh he standeth take heed lest he fall.” — 1 Corinthians 10:12 KJV

Galatians 5 warns believers they can:

“fall from grace.” — Galatians 5:4 KJV

Hebrews warns:

“For if we sin wilfully after that we have received the knowledge of the truth, there remaineth no more sacrifice for sins.” — Hebrews 10:26 KJV

These warnings become meaningless under unconditional eternal security.

True Grace Produces Holiness

The real Gospel is not legalism. True Christianity is not salvation by human effort.

We are saved by grace through faith.

But biblical grace changes a person.

Titus says:

“For the grace of God that bringeth salvation hath appeared to all men, Teaching us that, denying ungodliness and worldly lusts, we should live soberly, righteously, and godly.” — Titus 2:11–12 KJV

Grace teaches holiness. Grace teaches self-denial. Grace teaches righteousness.

Grace is not a license to continue in rebellion.

Conclusion: Test Every Teacher by Scripture

The modern church is flooded with internet teachers who promise salvation without repentance, heaven without holiness, and grace without transformation.

But Scripture warns repeatedly about false teachers who would corrupt the Gospel.

Paul said:

“For the time will come when they will not endure sound doctrine.” — 2 Timothy 4:3 KJV

Believers must stop testing teachers by charisma, popularity, emotional speeches, or YouTube subscribers.

The test is simple:

  • Does the teaching agree with Scripture?
  • Does it produce holiness?
  • Does it exalt obedience to Christ?
  • Does it preach repentance?
  • Does it warn against sin?

Jesus said:

“Ye shall know them by their fruits.” — Matthew 7:16 KJV

A Gospel that leaves people comfortable in sin is not the Gospel preached by Jesus, Paul, Peter, John, or the early church.

The biblical Gospel calls men to repentance, holiness, obedience, perseverance, and faith in the transforming power of Jesus Christ.

Anything less is a dangerous counterfeit.

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