If you keep thinking about putting on a conference or being a Hollywood screenwriter, and you find the idea terrifies but intrigues you, it's probably a worthy endeavor for you. You grow (and thrive!) by doing what excites you and what scares you everyday, not by trying to find your passion.
The GPS unit became almost equally obstreperous, though, over Richard’s unauthorized route change, until they finally passed over some invisible cybernetic watershed between two possible ways of getting to their destination, and it changed its fickle little mind and began calmly telling him which way to proceed as if this had been its idea all along.
I do strongly feel that among the greatest pieces of luck for high achievement is ordeal. Certain great artists can make out without it, Titian and others, but mostly you need ordeal. My idea is this: the artist is extremely lucky who is presented with the worst possible ordeal which will not actually kill him. At that point, he's in business: Beethoven's deafness, Goya's deafness, Milton's blindness, that kind of thing.