The seers realized this thousands of years ago and figured out that, by the same logic, if someone meditated on compassion, he would become an embodiment of compassion and that those who contemplated only on the negative aspects of their life keep attracting and manifesting more negativity. Mind does not understand good-bad, right-wrong, moral-immoral. These are the definitions we have fed into our conscious mind. At its root, mind only creates, understands and reacts to a thought.
