Related:

• A man's gotta know his limitations. -- Clint Eastwood, "Dirty Harry
• A man's gotta know his limitations. -- Dirty Harry [Clint Eastwood] in "Magnum Force", 197
• A celebrity is a person who works hard all his life to become well known, then wears dark glasses to avoid being recognized.
  -- Fred Alle...
• A good man always knows his limitations. -- Harry Callaha
• A man has got to know his assimilations. -- Harry of Borg.
• A Hacker is any person who derives joy from discovering ways to circumvent limitations.
  -- Bob Bickford, rab@well.sf.ca.us, 1986...
• A person who doubts himself is like a man who would enlist in the ranks of his enemies and bear arms against himself.
  He makes his failure certain by himself being the first person to be convinced of it....
• The only person who always got his work done by Friday was Robinson Crusoe.
• RADICAL: A person whose left hand does know what his other left hand is doing.
  -- Bernard Rosenberg...