发现可能性的极限的唯一方法是冒险稍微超越它们，进入不可能的领域。
The only way of discovering the limits of the possible is to venture a little way past them into the impossible.
Stories you read when you're the right age never quite leave you. You may forget who wrote them or what the story was called. Sometimes you'll forget precisely what happened, but if a story touches you it will stay with you, haunting the places in your mind that you rarely ever visit.
The history of a nation is, in essence, the history of its ruling class.
智者从敌人那里学到的比愚者从朋友那里学到的还要多。