We keep moving forward, opening new doors, and doing new things, because we're curious and curiosity keeps leading us down new paths.
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Whenever I go on a ride, I'm always thinking of what's wrong with the thing and how it can be improved.
WDW would close if only aimed at children. Watch the adults there -- they seem to have more fun than the children. Many drag the children along so that they, the adult, can enjoy the rides and events.