Hebrews 9:12

1 Peter 1:18-19 NIV
For you know that it was not with perishable things such as silver or gold that you were redeemed from the empty way of life handed down to you from your ancestors, but with the precious blood of Christ, a lamb without blemish or defect.

Hebrews 10:4 NIV
It is impossible for the blood of bulls and goats to take away sins.

Hebrews 9:15 NIV
For this reason Christ is the mediator of a new covenant, that those who are called may receive the promised eternal inheritance —now that he has died as a ransom to set them free from the sins committed under the first covenant.