程序测试可以用来显示错误的存在，但绝不能显示它们的不存在！
圆的周长大于任何内接等边多边形的周长，小于任何外切多边形的周长。
The most rewarding part of filmmaking is seeing the audience connect with the story and characters.
The books that we reread the most are the ones that most clearly describe the world we already know.
我们重读最多的书是那些最清楚地描述我们已经知道的世界的书。
Success is a journey, not a destination. Keep learning, keep growing.
人生是一场睡眠，爱情是其中的梦。