Today’s reading from Isaiah is a resounding statement of the uniqueness of the God of Israel. The proclamation that there is one God is not a mere claim about either national or religious identity. It is an affirmation that in the one God, all the various created things find their source and proper place. This one, true God is the foundation of existence for all peoples and their blessings.
In the reading from Acts, we see God’s Spirit in action. Peter boldly proclaims to his people that the true God has been revealed to them in a new and unexpected way. The life and death of Jesus of Nazareth had been the ultimate revelation of God’s character, and God has vouched for the authority of his life and death by raising him from the dead. In Jesus, we can know that the true foundation of all the world is characterized by love and justice and mercy. In this knowledge, we can be as confident as Peter was as he stood before those who not long before had rejected Jesus. The true God’s Spirit pours into His servants, and says, “Do not fear or be afraid…”