J. R. R. Tolkien Quote
Never laugh at live dragons, Bilbo you fool!" he said to himself, and it became a favourite saying of his later, and passed into a proverb. "You aren't nearly through this adventure yet," he added, and that was pretty true as well.
The Hobbit: Or, There and Back Again (ed. Houghton Mifflin Harcourt, 1966)