The best way to learn is by doing.
"Books say: She did this because. Life says: She did this. Books are where things are explained to you; life is where things aren't. I'm not surprised some people prefer books."
The best way to learn mathematics is to do mathematics.
译文：内心澄净，我们做事就会明澈如水，就像平静的水面能映照万物一般；品行高洁，我们就会脱俗，如同流云飘过无碍的天空。赏析：静以修身，俭以养德。一个人的内心纯净，做事就会光明磊落，品行高洁的人，就如同美玉一般，经得住风吹雨打，耐得住岁月的冲刷和考验。
The poor often have to make more complex financial decisions than the rich.
To understand the future of secure communication, one must first understand the limitations of current cryptographic methods.
程序最重要的属性是它是否实现了用户的意图。