Fireworks (Like Falling Stars)

"This, he realized, was what humanity was about. Love, loss, pain, sorrow... and hope. Humanity lived on hope, thrived on it. It kept them going, gave them a reason to get up every morning, a reason to evolve and grow and discover. That was what the angels had lacked, he thought to himself. They had no hope- no reason to, no ability to. Castiel had hope."