"Maybe the sad people are the healers and the prophets. Maybe the sad people have been given a gift to see the world as it really is. And when we see the world, when we see ourselves as we actually are, we understand how desperately we need God to come and bring healing."

http://www.aholyexperience.com/2014/08/the-1-unlikely-secret-to-hold-on-to-when-youre-sad/