Who said "I don't understand why you did this."?

This quote is attributed to Walter White Jr..

I don't understand why you did this. - Walter White Jr.

"I don't understand why you did this."

Walter White Jr. Truth

"I just want some breakfast, man."

"You're not even trying."

"I'm awake, I'm awake."

"That's tight, yo."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."