Learn about the meaning of genius as Ben Gates (Nicholas Cage) buys a copy of the declaration of independence in case it might come in handy. It could be a coincidence that he stumbled upon it while hiding in the gift shop or he purposely wanted to go to the gift shop. Anyway, he bought it & it did come handy in the National Treasure (2004) movie. Hence the coincidental preparation had become Ben Gates’s stroke of genius. 
Ben Gates Gives Sublime Middle Finger.