Today's post, Existential Angst Factory was originally published on 19 July 2008. A summary (taken from the LW wiki):
As a general rule, if you find yourself suffering from existential angst, check and see if you're not just feeling unhappy because of something else going on in your life. An awful lot of existential angst comes from people trying to solve the wrong problem.
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In this article, Eliezer implies that it's the lack of objective morality which makes life seem meaningless under a materialist reductionist model of the universe. Is this the usual source of existential angst? For me, existential angst always came from "life not having a purpose"; I was always bothered by the thought that no higher power was guiding our lives. I ended up solving this problem by realizing that emergent structures such as society can be understood as a "higher power guiding our lives"; while it's not as agenty as God, it suits my purposes well enough, and I've been free of existential angst ever since.
(I do agree with the main thesis of Eliezer's post; I think I was able to accept my philosophical solution to existential angst because of an increasingly positive outlook on life. I'm just commenting because I'm now very curious about what "existential angst" means to the rest of LessWrong. What does existential angst mean to you?)
If I understand Eliezer's conception of morality correctly, he doesn't distinguish between these two things.