学习一门新编程语言的唯一方法是用它编写程序。
The only way to learn a new programming language is by writing programs in it.
在一个疯子的世界里保持清醒本身就是疯狂。
The only way to learn mathematics is to do mathematics.
A book must be the axe for the frozen sea within us.
The great thing is to be in love with life.
能源安全是国家战略安全的重要组成部分，我们必须牢牢把握在自己手中。