The way I looked at it is like how christ suffered for our sins, so the tree is the world, the leaves are the sins of the world, and the heart is the heart of christ. So his heart hurts from taking on the sins of the world. But that is just one way to look at it.
The way I looked at it is like how christ suffered for our sins, so the tree is the world, the leaves are the sins of the world, and the heart is the heart of christ. So his heart hurts from taking on the sins of the world. But that is just one way to look at it.