“Sometimes you can plan too much. Bob Kynaston of my old club in north London told me: ‘Years ago there was a chap near us who said he was going to ride round the world. He even went to Tenerife and slept under the stars and experimented with cycling all day on a Mars bar, that sort of thing. And when he’d convinced himself, he put his house up for rent. But before he could rent it he had to do some work on it and he started repairing the windows. Then he did all the other things and by the time he’d done them it had taken years and the window frames needed doing again and so far as I know he never did get to ride round the world.’”
http://www.crazyguyonabike.com/doc/page/?o=3Tzut&page_id=91690&v=4K