Pharaoh refuses to let the Hebrew people go. The people themselves have turned against Moses since their situation has worsened. Moses can only leave the situation in God’s hands. God reminded Moses, and reminds us, that He is in the business of fulfilling covenant promises and undertakings.

You may also find seven devotions that match this podcast starting here: https://lightofchristjourney.com/2020/06/06/god-shows-himself-through-signs-and-wonders/