你必须愿意牺牲才能得到你想要的或你需要的。
"The truth is rarely pure and never simple."
如果农民不能有效使用,最先进的技术也毫无价值。
The world is full of magic things, patiently waiting for our senses to grow sharper.
The process of verification is as important as the process of creation in computer science.