Our word "courage" comes form the French word coeur, "heart." Courage is a willingness to act from the heart, to let your heart lead the way, not knowing what will be required of you next, and if you can do it.
Your life is something opaque, not transparent, as long as you look at it in an ordinary human way. But if you hold it up against the light of God's goodness, it shines and turns transparent, radiant and bright. And then you ask yourself in amazement: Is this really my own life I see before me?