Life can be one big ball of fear -- if we let it.
We can let ourselves think, "But what if ..." time and time again when contemplating the pursuit of something new/big/never-attempted-before.
The only thing we have to fear is fear itself. The only thing that will hold us back from accomplishing whatever it is that we want -- whether it's making dinner tonight, winning next weekend's 5K or quitting our jobs to travel the world -- is fear.
Let's forget about fear, and only think about focus. Without fear, and with focus, dreams can become realities.