Romans 8:3
For what the law was not able to do [for mankind], since it was [too] weak [to deliver them from condemnation] because fleshly people [were unable to obey it perfectly], God condemned sin in the flesh [i.e., sin was declared evil and its power over man broken]. God did this by sending His own Son in a body like sinful man's, and to destroy sin,
2 Corinthians 5:21
God considered Christ to be sinful on our behalf, even though He never sinned, so that we could be considered right with God through Him.
Titus 2:14
He gave Himself up for us, to buy us back from [enslavement to] all [kinds of] wickedness and to purify for Himself a group of people who belong to Him and who are eager to do good deeds.
Hebrews 9:26-28
For then He would have had to suffer often since the creation of the world; but now at the end of the ages [i.e., the final period of world history] He has been revealed once [for all] to remove sin by sacrificing Himself.
1 Peter 2:24
Jesus took upon Himself our sins [when] His body was placed upon the cross so that we, [through] dying to [i.e., giving up] the sinful life, would live for righteousness. You were healed [from your sins] by His being brutally treated.
1 Peter 3:18
For Christ suffered once for people's sins [to be forgiven]. [It was the case of] a righteous Man suffering for unrighteous people, so that He could bring you [or, "us"] to God [for salvation]. [Though] He [i.e., Jesus] was put to death physically, He was brought back to life by the Holy Spirit [Note: Some translations say "in spirit"].
Revelation 5:9
And they sang a new song [which went like this]: "You deserve to take the book and break the seals on it, for you were killed and, with your blood, you purchased people for God from every tribe and language and race and nation,