It's likely you're referring to a scene from a movie or a piece of fiction where a character named Morgan Freeman, or a character inspired by the actor, receives this kind of wisdom.
To help me find the source, could you please tell me:
* Where did you hear this story? Was it a movie, a book, a TV show, or somewhere else?
* What is the context? What was the situation in which the character learned this lesson?
With more information, I can help you find the origin of this story.