!Might say some spoilers!
I have been trying to find a movie with a super intelligent guy. I don't remember much from the movie cause I was around 10-12 when I saw it in school (I'm 18 now).
Stuff I remember:
In one scene he reads a Spanish book and learns the language in less than 5min.
It was in English.
Most of the scenes were played in a farm/country side.
In one scene he's in a Carnevale/festival. And he shows some guys that he is so smart that he can make stuff levitate. Then one of the guys ask why they can't do that and he answers with "Cause you haven't unlocked your brain" (or something close to that)
He also tries to find a child on an apple farm, and they later find him up in a treehouse.
In the end of the movie:
he dies beside his wife/girlfriend and feels his whole body shutting down.