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。
The key to success is to focus our conscious mind on things we desire, not things we fear.
【释义】心境不清明,就无法领悟正道;志向不坚定,就无法成就事业。
Books say: She did this because. Life says: She did this. Books are where things are explained to you; life is where things aren’t.