Who said "You can't trust anyone in this business."?

This quote is attributed to Tony Soprano.

You can't trust anyone in this business. - Tony Soprano

"You can't trust anyone in this business."

Tony Soprano

"Whaddya hear, whaddya say?"

"I'm in the waste management business. Everybody immediately assumes you're mobbed up."

"A guy like me doesn't get to retire."

"You probably don't even hear it when it happens, right?"