Hebrews 10:10–14

One offering, made once, makes us holy forever

10By this will we have been sanctified through the offering of the body of Jesus the Messiah once for all.

11And every priest stands daily ministering and offering many times the same sacrifices, which can never remove sins.

12but this one, having offered one sacrifice for sins for all time, sat down at the right hand of God,

13from then on waiting until his enemies are made a footstool for his feet.

14For by one offering he has made perfect for all time those who are being sanctified.

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In its context

8When he said above: Sacrifices and offerings and whole burnt offerings and offerings for sin you did not want, nor did you take pleasure in them —these are offered according to the law—

9then he has said: Look, I have come to do your will. He abolishes the first in order to establish the second.

…

15And the Holy Spirit also testifies to us; for after saying,

16This is the covenant that I will make with them after those days, says the Lord: putting my laws on their hearts, I will also write them on their mind,

Read all of Hebrews 10

Its words in the original

The Cross