一本书是世界的一个版本。如果你不喜欢它，忽略它；或者提供你自己的版本作为回报。
"A book is a version of the world. If you do not like it, ignore it; or offer your own version in return."
我不是最强大的人，但我是最坚强的人。
Success is not about money or power, but about making a difference.
Science is not about being the first; it's about being patient and persistent.
Stay true to yourself and never let what somebody else says distract you from your goals.
系统设计的未来在于将形式化方法与传统工程实践相结合。