This one is so cool because it's so true. Fear is the biggest emotion that's limiting anything, especially in a normal person. I think that fear goes beyond simply worrying because worrying doesn't do anything except make you anxious. Fear is an actual inhibitor; people will avoid circumstances at an unreasonable cost for the sake of avoiding that circumstance.
When I think of fearless, I think of Beowulf.
Now that we have an idea of how manly he ACTUALLY is (as opposed to letting us all sit with the idea of the horrible hollywood remake), let's get to the point: he's fearless. If anyone hasn't read Beowulf the bottom line is this: He goes and kills 3 epic monsters almost singlehandedly, runs a kingdom, and then sacrifices himself for said kingdom by taking out a dragon. This dude has balls of steel -- think of how free he must be. Nothing is too big for him. Nothing is limiting him; if he wants to achieve some goal, or protect something, he will proceed to do so. He doesn't consider the cost to his own life, he simply goes out and attacks the issue head on.
Of course, since he's Beowulf, he wins.
We should be taking notes.
Remind me tomorrow to do this quote "I'm through with playing by the rules of someone else's game. Too late for second guessing, too late to go back too sleep. It's time to trust my instincts, close my eyes, and leave. It's time to try defying gravity. I think I'll try defying gravity and you can't pull me down."