“Do what you love and success will follow. Passion is the fuel behind a successful career.” -Meg Whitman
Wayne Gretzky insisted he never really practiced playing hockey, because he loved the game so much that the endless hours of drills were his idea of fun.
My engineering friends solve problems and build things in their time off, whether it is Legos or designing something to make their life easier. Because thinking and creating solutions IS their life, not their work.
Writers write.
Love what you do and you will do more and more of it, accumulating the hours to achieve mastery because time is meaningless when pursuing your passion.