The phrase "perfect sacrifice" means giving up something valuable or important, usually for a greater cause or to show utmost dedication. Full definition
The apostles» fruit abides by making present throughout the world and through history the one perfect sacrifice of Christ. (faith.org.uk)
benevolent in nature — most certainly evil — no, Jesus was the spotless perfect sacrifice simply disinterested — gave up his life that we may live. (religion.blogs.cnn.com)
He claimed things that were considered to be Blasphemy according to Jewish law when he said the Father and I are One and before Abraham was «I Am» He was claiming that He was the «Great I AM» of the Old testament, now come in the flesh and came to pay the price of sin for man, the only acceptable perfect sacrifice, the lamb wihtout blemish, that God would accept because he was indeed God in flesh. (religion.blogs.cnn.com)