1 Corinthians 1: 22 - 24

²²For the Jews require a sign, and the Greeks seek after wisdom:
²³But we preach Christ crucified, unto the Jews a stumblingblock, and unto the Greeks foolishness;
²⁴But unto them which are called, both Jews and Greeks, Christ the power of God, and the wisdom of God.

Leviticus 17: 11

¹¹For the life of the flesh is in the blood: and I have given it to you upon the altar to make an atonement for your souls: for it is the blood that maketh an atonement for the soul.

Hebrews 9: 22

²²And almost all things are by the law purged with blood; and without shedding of blood is no remission.

Hebrews 9: 28

²⁸So Christ was once offered to bear the sins of many; and unto them that look for him shall he appear the second time without sin unto salvation.

1 John 1: 7 - 9

⁷But if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus Christ his Son cleanseth us from all sin.
⁸If we say that we have no sin, we deceive ourselves, and the truth is not in us.
⁹If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.

1 John 2: 1 - 2

¹My little children, these things write I unto you, that ye sin not. And if any man sin, we have an advocate with the Father, Jesus Christ the righteous:
²And he is the propitiation for our sins: and not for our's only, but also for the sins of the whole world.

1 Peter 3: 18

¹⁸For Christ also hath once suffered for sins, the just for the unjust, that he might bring us to God, being put to death in the flesh, but quickened by the Spirit:

1 Corinthians 1: 18

¹⁸For the preaching of the cross is to them that perish foolishness; but unto us which are saved it is the power of God.