Who said "The real lesson is that you are never too old to change."?

This quote is attributed to Walter White.

The real lesson is that you are never too old to change. - Walter White

"The real lesson is that you are never too old to change."

Walter White Change

"I am the one who knocks."

"You asked me if I was in the meth business or the money business. Neither. I'm in the empire business."

"A man provides. And he does it even when he's not appreciated or respected or loved."

"I did it for me. I liked it."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."