And they shall take of the blood, and put it on the two side posts and on the upper door post of the houses, in which they shall eat it.
All Commentaries on Exodus 12:7 Go To Exodus 12
John Chrysostom
AD 407
Now if its type had so much power, both in the temple of the Hebrews and in the midst of the Egyptians, when sprinkled on the doorposts, how much more power does the reality have. In its types this blood sanctified the golden altar. Without it, the High Priest did not dare to enter the sanctuary. This blood has ordained priests. In its types it has washed away sins. And if it had such great power in its types, if death shuddered so much at the figure, how would it not even more so be in terror of the reality itself, pray tell? Homilies on the Gospel of John