In The Pursuit of Happyness, Christopher is the son of main character Chris Gardner. He's a well-behaved, adorable child for the most part. Which is important because he doesn't have the easiest life in the world. Played by Jaden Smith.
Christopher Gardner: Don't ever let someone tell you, you can't do something. Not even me. Christopher: [silent] Christopher Gardner: All right? You got a dream… You gotta protect it. People can’t do somethin’ themselves, they wanna tell you you can’t do it. If you want somethin’, go get it. Period. Christopher: All right.