The only way to learn a new programming language is by writing programs in it.
学习一种新编程语言的唯一方法是用它编写程序。
世界是个好地方，值得为之奋斗。
"The key to successful verification is to start with a clear and precise specification of what the system is supposed to do."
有时候要大胆，有时候要小心，一个聪明人知道什么时候该怎么做。
Every challenge in agriculture is an opportunity to innovate.