"A book is a journey that begins with a single word."
从让一个人生气的事情大小就能看出一个人的价值。
里氏替换原则是面向对象编程中的一个基本概念,它指出子类的对象应该能够替换超类的对象而不影响程序的正确性。
"Every book is a journey, and every page is a step towards discovering the unknown."
To create is to confront the chaos of existence and give it form.
The truth is rarely pure and never simple.