艺术应该是危险的,就像黑暗中的刀子。
译文:做事顺乎义理,就容易见效,行动违背时势,就难以成功。赏析:我们做任何事都要顺应时势、把握事物发展的规律。违背天道,逆天而为,都是不可取的。
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.