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和那些叫喊饥饿的人相比,那么吃饱了自然就快乐;和呼叫寒冷的人相比,那么得到温暖自然就快乐;和患病者相比,那么健康就会快乐;和祸患者相比,那么平安就快乐;和死去的人相比,活着就会快乐。
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.
No matter what happens in life, be good to people. Being good to people is a wonderful legacy to leave behind.
Love is the most powerful force in the universe.
当我们保护生物多样性时,我们就是在保护人类的安全网。
我们都在逃避某些东西,而我们逃避的东西往往是我们最渴望的。