We are all time travelers in the river of DNA.
When he looked into her dark eyes, and saw that her lips were poised between a laugh and silence, he learned the most important part of the language that all the world spoke—the language that everyone on earth was capable of understanding in their heart. It was love.
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 beauty of mathematics only shows itself to more patient followers.
艺术不是手工艺，它是艺术家所经历的情感的传递。