He pretends to be impartial, but believe me, he 'knows which side his bread is buttered on'.
I took the job because I needed to earn some 'bread'. [=(more commonly) 'dough']
Casual clothing has always been the company's 'bread and butter'.
(..) Shut your mouth. Give me the cash out of the drawer. Come on. Let's go. Give me the goddamn cash. - Don't shoot. I'm getting it. - Stop taking so long. Come on. Let me have it. Give me the bread. - This all you got? Get the rest. - That's it. - I don't have any more. - Give me the rest of the cash. - That's all I got. - Give me more. - I got no money. - Reach in your sock. You got more bread. - That's it, man. - Give me the rest of the f$cking bread. - Did you get him? - Yeah, I got him. Shit, man. (..)1976 Taxi Driver