解读：一次性快乐稍纵即逝，如短暂刺激；可重复的快乐源于内心充实、自我成长，更值得投入精力，引导追求深度、持久快乐。
The artist must be a child of the mystery.
Life is pleasant. Death is peaceful. It's the transition that's troublesome.
里氏替换原则是面向对象编程中的一个基本概念，确保派生类可以替代其基类使用，而不会改变程序的正确性。
我只想创作让人快乐的音乐。
The essence of greatness is the perception that virtue is enough.
"The only thing necessary for the triumph of evil is for good men to do nothing."
解释：做大事的不做小事，要成就大事的不成就小事。