This long, good article everyone linked to a while back is indeed long and good.
Amazon.co.uk: An Incomplete Education: 3,684 Things You Should Have Learned But Probably Didn’t: Judy Jones, William Wilson: Books
I’m interested in attempts to summarise everything one needs to know and this sounds vaguely promising.
Thinking things are easy when you don’t know enough to tell. “There’s a great difference between 50 years of experience and 1 years worth of experience repeated 50 times.” (via Daring Fireball)