Indeed, intolerance is essential only to monotheism; an only God is by nature a jealous God who will not allow another to live. On the other hand, polytheistic gods are naturally tolerant, they live and let live.
Arthur SchopenhauerAll the cruelty and torment of which the world is full is in fact merely the necessary result of the totality of the forms under which the will to live is objectified.
Arthur SchopenhauerWe should be surprised that a matter that generally plays such an important part in the life of man has hitherto been almost entirely disregarded by philosophers, and lies before us as raw and untreated material.
Arthur Schopenhauer