There is no 'necessary connection' between what is legal and what is moral. [=what is legal does not always have to be moral and what is moral does not always have to be legal]
Higher prices are a 'necessary consequence' of the company's new services.
I'll 'do the necessary' [=do whatever is necessary] to get the job done.
(..) Mr. Browning... ...Maurice Fischer's policy is always one of avoiding litigation. Well, shall we voice your concerns with Maurice directly? Not sure that's necessary. No, no, no. I think we should. BROWNING: How is he? I don't want to bother him unnecessarily, but... (..)2010 Inception
(..) you're gonna have her building mazes. - Where are you gonna be? - I gotta go visit Eames. Eames? No, he's in Mombasa. It's Cobol's back yard. It's a necessary risk. - Well, there's plenty of good thieves. - We don't just need a thief. We need a forger. Rub them together all you want, (..)2010 Inception