When the momentum of mindfulness is well developed, it works like a boomerang; even if we want to distract ourselves, the mind naturally rebounds to a state of awareness. - Joseph Goldstein
Time throws you out of its dimensionless planar like a boomerang. It unites with you again in death. - Vishwanath S J
Hatred is a boomerang which is sure to hit you harder than the one at whom you throw it.
Frankly, Pedro Almodóvar's recent box office hit, Volver, is the first movie I've seen in which a young woman's retaliation against sexual violence doesn't ultimately boomerang around to destroy her - Sarah Stillman