1 John 1:7
but if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus his Son cleanseth us from all sin.
Matthew 9:2
And lo! they brought to him a man that was palsied, lying on a bed. And Jesus, seeing their faith, said to the palsied man, Be of good cheer, son; thy sins are forgiven.
Hebrews 9:13-14
For if the blood of goats and bulls, and the ashes of a heifer sprinkling those who have been defiled, sanctify to the purifying of the flesh,
1 John 2:1-2
My children, these things I write to you, that ye may not sin. And if any one have sinned, we have an advocate with the Father, Jesus Christ the righteous.