在不确定的时期，蓬勃发展的公司是那些保持敏捷并将价值观置于核心的公司。
The thing about smart people is that they seem like crazy people to dumb people.
The Liskov Substitution Principle is a fundamental concept in object-oriented programming, stating that objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program.
People are always blaming their circumstances for what they are. I don't believe in circumstances. The people who get on in this world are the people who get up and look for the circumstances they want, and, if they can't find them, make them.