心有其理，理性对此一无所知。
父亲过于慈爱，不忍心鞭策子女，那么家里就容易出现品德败坏的子女。
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’s behavior is shaped by their immediate environment more than we often realize.