Most people never get to see how brilliant they can be. They don't find teachers that believe in them. They get convinced they're stupid.
11 seconds sound clip from the Good Will Hunting movie soundboard.
You can hear this line at 01:27:12 in the Blu-ray version of the movie.
Quote context
[...]
- No! God, I just want to be with you because I love you.
- Don't bullshit me. Don't you fuckin' bullshit me!
- Tom, can you get us some coffee?
- Sure.
- Now, let's see... Good. This is correct.
- I see you used Maclaurin here.
- Yeah, I don't know what you call it, but...
- This can't be right... This would be very embarrassing. Did you ever consider...
[...]