Loneliness is the poverty of self; solitude is the richness of self.

世界是一个谜题，碎片散落在各处。

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.

当下是未来碎裂成过去的那个点。

压力可以压垮管道，也可以造就钻石。