Hebrews 9:22

Indeed we may almost say that in obedience to the Law everything is sprinkled with blood, and that apart from the outpouring of blood there is no remission of sins.

Hebrews 10:4-12

For 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
Indeed we may almost say that in obedience to the Law everything is sprinkled with blood, and that apart from the outpouring of blood there is no remission of sins.
Hebrews 10:4
For it is impossible for the blood of bulls and goats to take away sins.