We now have hindsight, we are looking back at five thousand years of human history, and hindsight show us that a single premise worked to create from human tragedy, triumph; from human evil, love; and that is the system of Judaism, and particularly Chassidus; which effectively has the singular ability, to eliminate man’s ego; hence the source of his anger, hence the source of his jealousy, over those who are happy, hence the source of his evil!