Overcoming bias can make you cynical

If you haven't already, start reading Eliezer Yudkowsky's series on intelligence, evolution, quantum physics, biases, morality, and whatever-else, now would be a good time to start.  The latest entries in this series on morality, though, may make you cynical, as he probes, among other weighty issues, the question of whether there's a difference between "I want this" and "It is right that I should get this."