Hebrews 9:22

And, according to the law of Moses, almost everything is [ceremonially] cleansed by blood, for there is no forgiveness [of sins] apart from the shedding of blood.

Hebrews 10:4-12

because it is impossible for the blood of bulls and goats to take away sins.

Treasury of Scripture Knowledge

Summary

Wherefore David said unto the Gibeonites, What shall I do for you? and wherewith shall I make the atonement, that ye may bless the inheritance of the LORD?

Bible References

Wherewith

Hebrews 9:22
And, according to the law of Moses, almost everything is [ceremonially] cleansed by blood, for there is no forgiveness [of sins] apart from the shedding of blood.
Hebrews 10:4
because it is impossible for the blood of bulls and goats to take away sins.