‘”In one thing you have not changed, dear friend”, said Aragorn: “You still speak in riddles”.
“What? In riddles?” said Gandalf. “No! For I was talking aloud to myself. A habit of the old: they choose the wisest person present to speak to; the long explanations needed by the young are wearying”. He laughed, but the sound now seemed warm and kindly as a gleam of sunshine.’
The Two Towers, Chapter V: ‘The White Rider’.