"I'm always asking myself... what can I do to make this world a little better?" Nancy Cartwright Nancy Cartwright has always been about making people happy. As a child, she was drawn to performing because she loved to make people laugh. Her whimsical spirit and voice talent made her a natural for animation voiceovers. Today, she is best known as the voice of Bart Simpson. But the work that makes Nancy most proud is her philanthropic endeavors where she is able to make a difference in the lives of others-- especially children. This episode takes us inside Nancy's home, where she talks about animation and the world in general. Her straightforward attitude about how we can all pay it forward and help others is truly inspiring.