John,

> What you do needs to be intellectually challenging as well. Just because
> something pays well, if it is boring, that fact is relevant. That is why
> it is often bad advice to do something just because it pays well. Usually,
> the collateral effects outweigh the financial reward.

Not necessarily. How much does the financial rewards compare to the
intellectual stimulation is dependent on the individual, and it's not for
Stephen, you, or me to decide what an individual should decide.

To learn more about this subject, pick up a Math, Economics, or Actuarial
Science book on Risk Theory and search for Utility Function. Warning: the
math may be too advanced for the casual reader to fully understand the
subject.

Daniel