“Silence is more eloquent than words.”
“Sometimes words are more powerful than guns. And sometimes silence is more powerful than words. It is the things that are not said that are important.”
“And jewels and words are no less and no more necessary than cotton and silence.”
“Be silent or let thy words be worth more than silence.”
“Frodo drew himself up, and again Sam was startled by his words and his stern voice. 'On the Precious? How dare you?' he said. 'Think! Would you commit your promise to that, Smeagol? It will hold you. But it is more treacherous than you are. It may twist your words. Beware!”