Hebrews 10:14

One offering. This thought is repeatedly emphasized (see on vs. 10, 12).

Perfected. The one sacrifice of Christ accomplished that which the continual sacrifices of the priests could not, for they could not purge the conscience (see on chs. 9:9, 14; 10:2). When the sinner accepts by faith the benefits of that one sacrifice he is accepted in the Beloved, being counted as perfect, because Christ his substitute stands in his place (see on Rom. 5:1; cf. SC 62).

For ever. Gr. eis to dienekes (see on v. 1). The meaning is not that the man once saved cannot fall from grace, for the author of Hebrews has already denied such a proposition (see on eh. 6:4-6). The emphasis is on the continued efficacy of the one sacrifice of Christ (cf. on eh. 10:10, 12).

Are sanctified. The form of the Greek verb here used is different from the form translated “are sanctified” in v. 10 (see comment there). Here the meaning is “are being sanctified.” However, this form does not necessarily imply that the author is now speaking of sanctification as a continued process. It is unlikely that he would use the same word with such different meanings in such a close contextual relationship. The phrase “are being sanctified” is here probably used to describe the continued influx of new believers into the Christian church.