Charles Spurgeon Commentary Jude 1:4

"For there are certain men crept in privily, [even] they who were of old written of beforehand unto this condemnation, ungodly men, turning the grace of our God into lasciviousness, and denying our only Master and Lord, Jesus Christ." — Jude 1:4 (ASV)

For there are certain men crept in unawares, –

They did not boldly avow their heresy when they came in; — they would not have been allowed to enter if they had done so, — but they sneaked in, they climbed into the pulpit, professing to be preachers of the gospel, when they knew, all the while, that they intended to undermine it. Basest of all men are those who act in this way: There are certain men crept in unawares, –

Who were before of old ordained to this condemnation,

Proscribed by God as traitors long ago. Those who do not have the courage of their convictions probably have no convictions at all, but seek to undermine the faith which they profess to hold.

Ungodly men, turning the grace of our God into lasciviousness, and denying the only Lord God, and Our Lord Jesus Christ.

Antinomians, turning the grace of our God into lasciviousness, falsely declaring that the law has no binding force upon the Christian's life, and saying that we may do evil that good may come; and Socinians, denying the only Lord God, and our Lord Jesus Christ.

For there are certain men crept in unawares, who were before of old ordained to this condemnation, ungodly men, turning the grace of our God into lasciviousness, and denying the only Lord God, and our Lord Jesus Christ.

These are two vital points in which many have erred, either separating holiness of life from orthodoxy of belief, or denying the divinity and the supremacy of our Lord Jesus Christ. Nothing could more discredit the gospel than the first error, that of turning the grace of God into lasciviousness; and nothing could more injure the gospel than the second error, that of denying the only Lord God, and our Lord Jesus Christ.