31.What does verse 28 teach us about faith?

That we must act in obedience to what God tells us to do.

Sprinkling animal blood on the doorway of one’s house does not make sense in the physical world. But God commanded it to be done, and the result was protection in the day of calamity.

God commands us to do many things that do not make sense in the physical world. Water baptism is one example. Yet such obedience to God will bring us salvation in the Day of Wrath.