" Smeagol,' said Gollum suddenly and clearly, opening his eyes wide and staring at Frodo with a strange light. 'Smeagol will swear on the Precious.'

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! "

― J.R.R. Tolkien , The Two Towers (The Lord of the Rings, #2)