How Our Predisposition Toward Empathy Taints Our Logic

Our sexually selected instincts for displaying sympathy tend to affect our belief systems, not just our charity and courtship behavior. When individuals espouse ideological positions, we typically interpret their beliefs as signs of good or bad moral character. Individuals feel social pressure to adopt the beliefs that are conventionally accepted as indicating a "good heart," even when those beliefs are not rational. We may even find ourselves saying, "His ideas may be right, but his heart is...

 The Rational Versus the Irrational

Only two possible escapes can save us from the organized mayhem of our dark potentialities-the side that has given us crusades, witch hunts, enslavements, and holocausts. Moral decency provides one necessary ingredient, but not nearly enough. The second foundation must come from the rational side of our mentality. For, unless we rigorously use human reason to discover and acknowledge nature's factuality ... we will lose out to the frightening forces of irrationality, romanticism, uncompromisi...