I think the person she's talking about is in a bad point in their life (hence the "Shadows all around you") and she's trying to make them see that they can be better, despite how much they disagree ("The shattered surface, so imperfect/ Is all that you believe").
And the whole Moon simile makes sense as well, seeing as it's surrounded by the darkness of night (the person's bad decision possibly) and shines so bright through it all.
I think the person she's talking about is in a bad point in their life (hence the "Shadows all around you") and she's trying to make them see that they can be better, despite how much they disagree ("The shattered surface, so imperfect/ Is all that you believe").
And the whole Moon simile makes sense as well, seeing as it's surrounded by the darkness of night (the person's bad decision possibly) and shines so bright through it all.