Reload mainframe … before proceeding.

Ice melts, water evaporates, and ground erodes … so, thoughts changing on career advice happening sounds plausable. But these three chunks of wisdon were in stone, the mother lode, the magnum opus.  And now these pearls of wisdom are archaic. We would be dubious if the messenger was anyone but Forbes.com. 

Do you pursue your idea, even if know it is not going to make you a lot of money?  Neither the traditional career books nor the ones that deal with how the economic future will play out, ever answer that question.