" But energy must flow somewhere,” his voice continued. “Where energy meets obstructions, it burns — and if energy builds up beyond what a given individual can tolerate, it demands release. Anger grows into rage, sorrow turns to despair, concern becomes obsession, and physical aches become agony. So energy can also be a curse. Like a river, it can bring life, but untamed it can unleash a raging flood of destruction. "

― Dan Millman , Sacred Journey of the Peaceful Warrior