Sing it, Sting!

I may be numberless, I may be innocent
I may know many things, I may be ignorant
Or I could ride with kings and conquer many lands
Or win this world at cards and let it slip my hands
I could be cannon food, destroyed a thousand times
Reborn as fortune's child to judge another's crimes
Or wear this pilgrim's cloak, or be a common thief
I've kept this single faith, I have but one belief..