What did God simply say regarding what He did in Creation? Simply hear it.
Faith is foundational. Faith is trusting what God said. God exists . . . He said it. God created . . . He said it.
How big is your God? Is He big enough to do what He said He did? Genesis 1:1 asserts that He is big enough to back up what He claims.
Isaiah introduces God's Servant in Isaiah 42:1. Who is this One called "My Servant"? We find the answer in Isaiah 53, the Suffering Messiah.
God's choice in ethnic Jews of descent from Issac is a choice of mercy. So, whom God saves is an object of His mercy.