‘Why did they attack us?’ I pursued. He hesitated, then said shamefacedly, ‘They don’t want him to go.’ ‘Don’t they?’ I said, curiously. He nodded a nod full of mystery and wisdom. ‘I tell you,’ he cried, ‘this man has enlarged my mind.’ He opened his arms wide, staring at me with his little blue eyes that were perfectly round.”

Joseph Conrad

Heart of Darkness. 1899.