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The most important political virtue is moderation.
The brave may not live forever, but the cautious do not live at all.
我们都有缺陷,那是光照进来的地方。
Pain is temporary, but quitting lasts forever.
Civilization is not inherited; it has to be learned and earned by each generation anew.
To solve complex problems, we must first understand the systems that create them.
The Liskov Substitution Principle is a fundamental concept in object-oriented programming, ensuring that derived classes can be used in place of their base classes without altering the correctness of the program.