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.
我们所认识的最美丽的人,是那些经历过失败、痛苦、挣扎、失落,却又从深渊中走出来的人。
要成为一名作家,必须有一定的傲慢,相信自己的声音值得被听到。
You can’t be afraid to fail. It’s the only way you succeed.