Expositor's Bible Commentary Commentary Hebrews 10:4

"For it is impossible that the blood of bulls and goats should take away sins." — Hebrews 10:4 (ASV)

The yearly ceremonies were ineffective because “it is impossible for the blood of bulls and goats to take away sins.” The word “impossible” (GK 105) is a strong one. There is no way forward through the blood of animals. “Take away” (GK 904) is used of a literal taking off, as of Peter’s cutting off the ear of the high priest’s slave , or metaphorically as of the removal of reproach . It signifies the complete removal of sin so that it is no longer a factor in the situation. That is what is needed and that is what the sacrifices could not provide.