" The king takes a deep ragged breath. He's been shouting. Now – and it's a narrow thing – he decides to laugh. ‘You advocate prudence. Prudence is a virtue. But there are other virtues that belong to princes.’ ‘Fortitude.’ ‘Yes. Cost that out.’ ‘It doesn't mean courage in battle.’ ‘Do you read me a lesson?’ ‘It means fixity of purpose. It means endurance. It means having the strength to live with what constrains you. "