Professor Banks: Mr. Watson, I am not a humorless man, but if you insist on taking up my class time making jokes, please see to it that they are funny.
Soul Man (1986)
Ending / spoiler
Directed by: Steve Miner
Starring: James Earl Jones, C. Thomas Howell, Rae Dawn Chong, Arye Gross
Mark admits to the school that he is actually white after finding out he practically stole the scholarship from Sarah. He pays back the scholarship to Sarah and starts to work at the cafeteria to pay his way through school. He knocks out the two white guys who kept making racial jokes through the movie and Sarah decides to give him a second chance.
Lifesava
More quotes from Soul Man
Trivia: In real life, Rae Dawn Chong (Sarah) and C. Thomas Howell (Mark) really did have a relationship and were even married. They were divorced in 1990, though.