Who said "I do my job and I do it well."?

This quote is attributed to Mike Ehrmantraut.

I do my job and I do it well. - Mike Ehrmantraut

"I do my job and I do it well."

Mike Ehrmantraut

"A man provides. And he does it even when he's not appreciated or respected or even loved. He simply bears up and he does it. Because he's a man."

"No more half measures."

"I am the man who gets things done."

"You know what business is, boy? It's all about relationships."