Who said "You have to cut the weed at the root."?

This quote is attributed to Walter White.

You have to cut the weed at the root. - Walter White

"You have to cut the weed at the root."

Walter White Justice

"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."

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."