Young people must equip themselves for life's duties and guard against its temptations.

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.

你们会选择安逸的生活，还是选择一个奉献与冒险的人生？

I'm not a rapper, I'm a talking legend.

保证失败的最好方法就是放弃。