In some cases, lack of full knowledge or holistic view, that is also part of the problem. But mainly lack of moral principle. So long you have this genuine sort of concern, well being of other. That's the foundation of moral principle.
Dalai LamaKilling animals for sport, for pleasure, for adventure, and for hides and furs is a phenomena which is at once disgusting and distressing. There is no justification in indulging is such acts of brutality.
Dalai LamaAlthough we are all the same in not wanting problems and wanting a peaceful life, we tend to create a lot of problems for ourselves. Encountering those problems, anger develops and overwhelms our mind, which leads to violence. A good way to counter this and to work for a more peaceful world is to develop concern for others. Then our anger, jealousy and other destructive emotions will naturally weaken and diminish.
Dalai Lama