If a person surrenders their mind (often through prayer) body, and spirit, true blessings can flow. Allowing another to control one is not a sign of weakness like many may try and describe. It takes strength to step back and with trust fall into God's embrace, trusting him to catch you when you fall. Letting Go and letting God is a common phrase used in modern times. This is exactly what the theme of surrender is trying to show in the book. First we have to surrender, then God will do his work.