Actions are the results of Beliefs & Desires, it would seem to me to be imperative that we seek to make both of those things "good". Yes, I do talk about having good beliefs. But what is a good belief? All value exists in the form of relationships between states of affairs and desires. Beliefs, like everything else, have value in virtue of its relationship to desires. More specifically, beliefs have moral value according to the relationships that exist between those beliefs and the desires that people generally have reason to promote. Here, it is relevant to bring up that people act so as to fulfill the most and strongest of their desires given their beliefs, but they seek to fulfill the most and strongest of their desires. What matters are the relationships that exist between states of affairs and desires, not the relationships that people believe in. People who have false beliefs tend to waste a lot of energy failing to fulfill desires that people with true beliefs would have fulfilled. So, the desires that people generally have reason to promote (whether they believe it or not) include curiosity, intellectual integrity, and honesty. These virtues are virtues precisely because they tend to promote true beliefs, and true beliefs aid in the fulfilling of desires. True beliefs do not have any sort of intrinsic value. However, because of the usefulness of true beliefs, we have many and strong reasons to promote in others those desires that will tend to lead