But it does not seem that I can trust anyone,' said Frodo. Sam looked at him unhappily. 'It all depends on what you want,' put in Merry. 'You can trust us to stick with you through thick and thin—to the bitter end. And you can trust us to keep any secret of yours—closer than you keep it yourself. But you cannot trust us to let you face trouble alone, and go off without a word. We are your friends, Frodo.
The Lord of the Rings: The fellowship of the ring (ed. 1954)