John Piper, in a sermon, “Christ’s Power is Made Perfect in Weakness”- God’s purpose in our weaknesses is to glorify the grace and power of his Son. This is the main point of [2 Corinthians] verses 9–10. Jesus says, “My grace is sufficient for you, for my power is made perfect in weakness.” God’s design … More God’s design is to make you a showcase for Jesus’ power.