活着就是与世界不断对话。

Learning is not a passive process; it involves the active construction of knowledge.

过去总是紧张的，未来是完美的。

It is a sad fate for a man to die too well known to everybody else and still unknown to himself.

In science, the most exciting phrase is not 'Eureka!' but 'That's funny...'

电子并非一个简单不可分割的实体，而是一个复杂系统，其行为只能通过量子力学定律来理解。

Customer satisfaction is the only currency that matters in the long run.