Comments by "clray123" (@clray123) on "vlogbrothers" channel.

  1.  @ShuRugal  That's fine if everryone aggressively pursues their self-interest. Note that aggressively pursuing your self-interest does not necessarily involve causing "cost to others", quite the opposite... and you should care about the cost to others because it aligns with your self interest (and for no other reason).
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