Don’t be afraid to ask a question that may sound stupid because 99% of the time everyone else is thinking of the same question and is too embarrassed to ask it.
不要害怕问愚蠢的问题。因为99%的情况下其他人也想问同样的问题，只是因为怕尴尬而羞于提问。
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.
了解你是否能信任某人的最好方法就是去信任他们。
知道是贤人而不举荐，很危险；知道是善事而不表彰，很危险；知道他能干而不任用，很危险。