It is argued that the mission of science is to dispel mystery. The origin of evil is discussed. It is noted that pleasure is a greater mystery than pain. Pleasure and pain are considered conditions of existence. The sense of feeling as warning and pain as protective sensation are addressed. It is noted that pleasure and pain are not opposites, each has its specialized nervous apparatus, both
... [Show full abstract] positive. The relation of pleasure to life and pain to death are addressed. The fallacy of asceticism is considered. (PsycINFO Database Record (c) 2012 APA, all rights reserved)