Why is Christ's sacrifice as our Passover important?

In his sermon, the preacher emphasizes that while the Passover lambs of the Old Testament were mere foreshadows, Jesus Christ as the ultimate Passover Lamb effectively dealt with sin once and for all (Hebrews 9:26). His sacrifice fulfills the demands of God's justice, ensuring that those who are covered by His blood are passed over from eternal judgment. This significance is underscored by the instructions given regarding the application of the blood; it had to be placed on the doorposts for redemption to be realized. Without the shedding of blood, there is no remission of sins (Hebrews 9:22), illustrating how Christ’s work must be embraced to experience the full benefits of redemption.