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Hebrews 4:6ESV·author unknown

Since therefore it remains for some to enter it, and those who formerly received the good news failed to enter because of disobedience,

Matthew Henry Presbyterian @wholebiblehenry

Here, I. The apostle declares that our privileges by Christ under the gospel are not only as great, but greater than those enjoyed under the Mosaic law. He specifies this, that we have a promise left us of entering into his rest; that is, of entering into a covenant-relation to Christ, and a state of communion with God through Christ, and of growing up therein...

Commenting on Hebrews 4:1-10

John Gill Reformed Baptist @doctorgill

Seeing therefore it remaineth,.... It follows by just consequence, that some must enter therein; for God's swearing concerning some, that they should not enter into his rest, supposes that others should: and they to whom it was first preached; to whom the Gospel was first preached, namely, the Israelites in the wilderness: entered not in because of unbelief; See Heb 3:19.

Albert Barnes Presbyterian @notesbybarnes

Verse 6. Seeing therefore it remaineth that some must enter therein. That is, "Since there is a rest spoken of in the Scriptures, implying that it is to be enjoyed by some, and since they to whom it was first promised did not inherit it, it follows that it must still be in reserve." This is the conclusion which the apostle draws from the argument...