Consider how fickle is the human heart. Consider how free is the grace of God. Peter and Judas both turned their back on Jesus, but only Peter took his sin to Jesus for cleansing.
Esteem parents because of their position. But also esteem everyone because all are image-bearers of God. The command brings a promise of long life and prosperity to those who obey.
Observe the Lord's Day by setting it apart as special to the Lord, remembering our former condition (slaves to sin) and what the Lord has done (set us free), and recognizing that our entrance into eternal rest is guaranteed because of Jesus.
Confessing God's name without living a corresponding lifestyle is taking His name in vain. We do this every time we sin. Jesus is our hope - He lived a perfect life (never took the Name in vain) and died on the cross for us (paid for every time we did)
God declares His identity as our gracious, covenant God, prohibits worship and service to other gods, and motivates our obedience with His loving jealousy.
Because He is God, Jesus is both the Lion and the Lamb - the omnipotent Conqueror and the loving, gracious Savior. Let this compel our worship and calm our fears.