It's wrong to judge others solely based on their appearance.
John goes to school with a fat kid named Jim who he shares gym class with, and they are forming dodgeball teams.
John wants to pick his team members.
John decides to take a risk and pick Jim before anyone else.
John leaves Jim to be picked last, grabbing everyone in better shape first.
Jim ends up winning the game for John's team, as he can throw the ball really fast.
Jim ends up on the other team, which proceeds to win because Jim can throw the ball really fast.