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.
科学人应当没有愿望、没有情感,只剩一颗如石之心。
夜晚是一位伟大的老师,但很少有人愿意学习。
If you do not believe in yourself, no one else will.
我认为诗歌不仅仅基于诗歌本身,而是基于彻底经历的生活。
活着是非常危险的。