26 He then would have had to suffer often since the foundation of the world; but now, once at the end of the ages, He has appeared to put away sin by the sacrifice of Himself.
12 But this Man, after He had offered one sacrifice for sins forever, sat down at the right hand of God, 13 from that time waiting till His enemies are made His footstool. 14 For by one offering He has perfected forever those who are being sanctified.
John 1:29, 36
29 The next day John saw Jesus coming toward him, and said, "Behold! The Lamb of God who takes away the sin of the world! . . . . 36 And looking at Jesus as He walked, he said, "Behold the Lamb of God!"
1 Pet. 1:19
19 but with the precious blood of Christ, as of a lamb without blemish and without spot.
11 "And they overcame him by the blood of the Lamb and by the word of their testimony, and they did not love their lives to the death.