Scott Adams: How to Be Successful
This insight is huge:<p><pre><code>  Had I been goal-oriented instead of system-oriented, I imagine I would
  have given up after the first several failures. It would have felt like 
  banging my head against a brick wall.

  But being systems-oriented, I felt myself growing more capable every
  day, no matter the fate of the project that I happened to be working on.</code></pre>