1 Pedro 1

18Forasmuch as ye know that ye were not redeemed with corruptible things, as silver and gold, from your vain conversation received by tradition from your fathers;

Redenção pelo sangue de Cristo contrasta com sistemas sacrificais pagãos e judaicos. 'Cordeiro imaculado' remete a Isaías 53:7 e Êxodo 12:5 (cordeiro pascal).