每一个结束都是一个新的开始。

Teachers are the most important role models in schools, the most instructive examples, and the most vivid examples for students.

通信的基本问题是在一点精确或近似地复现另一点选择的信息。

The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.

我现在所做的一切，都是为了追求完美。