If you love your work, you'll be out there every day trying to do it the best you possibly can, and pretty soon everybody around will catch the passion from you — like a fever.
To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death.