To apply yourself to a field or to a problem for that long a time means there will inevitably be moments of boredom and tedium.

FORBES: Robert Greene: How to Become the Master of Any Skill

To reach our full potential it is not necessary or even advisable that we abandon the world, but I can guarantee that the more energy you apply to freeing yourself the more creative you will become in business and in life.

FORBES: The Prisoner's Dilemma: The Key to Creativity

Ask yourself whether any of them apply to you.

FORBES: Why Businesses Fail.