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• You gotta know when to hold 'em, know when to fold 'em.
• You gotta lose 'em sometime. When you do, lose 'em right. -- Casey Stengel
• When you know, you know; when you don't know, admit it.
• You know you've been hacking too long when... ...you start dreaming code.
• You know you've been hacking too long when... ...you start reading car license plates as machine code.
  JMP 451, HCF 919 (this one really shook me up), HLT 772 (Halt instruction....
• You've got to know when to code'em, know when to modem, know when to load'em up, know when to run.
  Don't count your money when you're sitting at the keyboard--there'll be time enough for counting when the program's done....
• When you know a thing, to hold that you know it; and when you do not know a thing, to allow that you do not know it--this is knowledge.
  Confuciu...
• Do you know it when you're being obnoxious?
• It's easy to be egotistical, when you don't know anything.