"There is no evidence that dogs have the kind of complex emotional lives and value systems that we do. It's one reason why we love them so much, in fact. They are neither "good" nor "bad." They don't hold grudges, act in petty ways, or seek revenge. They read our moods, but not our minds."
- Jon Katz
Jeff Dentler, CPDT-KA, IAABC-ADT, FFCP, CTDI