我们对过去了解得越多，就越能理解现在。
The more we learn about our past, the better we understand our present.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
Traveling is for me a source of rejuvenating vitality.
你越早开始编码，程序花费的时间就越长。
Profitability and environmental responsibility must go hand in hand—there is no other way.
外交并不是被动地适应变化，而是积极主动地塑造变化。