The power of a story lies in its ability to connect us to the universal human experience.

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

我不想成为烈士，我想成为幸存者。

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。