my impression is that in speech he's used to say a lot of different things, many of which are in justaposition with each other, while in his songs he actually pours out his deeper feelings and his soul.
People often make a show of indifference in order to hide their most intimate state and protect themselves from what the others could say.
I think this song has a great meaning, it is a very beautiful prayer, and can help a lot of people express what they feel towards God no matter what their religion is.