“For by one offering He has perfected forever those who are being sanctified” (Hebrews 10:14).
It may be easy to associate the word “perfected” with the quality of flawlessness. However, we should be careful to note that this passage does not communicate the idea of sinless perfection. The Biblical book of 1 John prohibits that interpretation when it tells us, “If we say that we have not sinned, we make Him a liar, and His word is not in us” (1 John 1:10).
Instead, Hebrews 10:14 uses this word to convey a sense of full development or maturation. In other words, those who accept Christ obtain a position of perfect standing with God. Since Jesus has perfectly atoned for our sins through His sacrificial death, we receive forgiveness and liberation from the shame of a guilty conscience before God.
One Biblical scholar provides us with a detailed explanation of this important idea…
“The word ‘perfected’ is the translation of teleioo which means ‘to bring to a state of completion.’ Here, the completeness of the state of salvation of the believer is in view. Everything essential to the salvation of the individual is included in the gift of salvation which the sinner receives by faith in Messiah’s sacrifice. The words ‘for ever’ here are to be construed with ‘perfected.’ It is a permanent state of completeness in salvation to which reference is made.” (1)
Thus, we can say along with Paul the Apostle in his Biblical letter to the Philippian church…
“I don’t mean to say I am perfect. I haven’t learned all I should even yet, but I keep working toward that day when I will finally be all that Christ saved me for and wants me to be. No, dear brothers, I am still not all I should be, but I am bringing all my energies to bear on this one thing: Forgetting the past and looking forward to what lies ahead, I strain to reach the end of the race and receive the prize for which God is calling us up to heaven because of what Christ Jesus did for us” (Philippians 3:12-14 TLB).
Finally, this passage also serves to refute the idea of purgatory, or a place of temporary punishment where one is cleansed (or purged) from sin before entering heaven. Since Hebrews 10:14 tells us, “…by a single offering he has perfected for all time those who are being sanctified” (ESV), no further purging is necessary. Instead, Jesus completed the work of redemption on our behalf in saying, “It is finished” (John 19:30) from the cross.
(1) Kenneth S. Wuest, Word Studies in the Greek New Testament (Hebrews 10:13-14) Copyright © 1942-55 by Wm. B. Eerdmans Publishing Co.