Hebrews 10:1 - 18

The law could never make those who kept it perfect, as it was a shadow of what was to come. The best it could do was point out how much a person had failed to keep it. The sacrifices made were evidence that the law was correct - all had failed to keep the law perfectly. When Jesus arrived, the law was shown to have been kept perfectly by Him. By His absolutely perfect life He obtained the authority to make Himself an offering for sin by which the laws demands would be completely met. His one offering accomplished more than all the offerings made prior to and since His action. The action of Jesus provides remittance for sin, making further payment unnecessary.