A.T. Robertson Commentary Hebrews 10:4

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

Should take away (αφαιρειν). Present active infinitive of αφαιρεω. Old verb and common in N.T., only here and Ro 11:27 with "sins". Cf. 9:9.