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Hebrews 6:6ESV·author unknown

and then have fallen away, to restore them again to repentance, since they are crucifying once again the Son of God to their own harm and holding him up to contempt.

John Calvin Reformed @genevareformer

6. To renew them again into repentance, etc. Though this seems hard, yet there is no reason to charge God with cruelty when any one suffers only the punishment of his own defection; nor is this inconsistent with other parts of Scripture, where God’s mercy is offered to sinners as soon as they sigh for it, (Ezekiel 18:27;) for repentance is required, which he never...

Matthew Henry Presbyterian @wholebiblehenry

We have here the apostle's advice to the Hebrews - that they would grow up from a state of childhood to the fullness of the stature of the new man in Christ. He declares his readiness to assist them all he could in their spiritual progress; and, for their greater encouragement, he puts himself with them: Let us go on.

Commenting on Hebrews 6:1-8

John Gill Reformed Baptist @doctorgill

For the earth which drinketh in the rain that cometh oft upon it,.... Here the apostle illustrates what he had before been speaking of, by a simile taken from the earth, to which men in general answer, who are of the earth; earthy and unregenerate men and carnal professors are of earthly minds; they are like the earth when it was rude and without form...