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.
I would like to be remembered as someone who was able to help people realize their dreams.
在认识到热是运动的一种形式后,没有人会怀疑热可以转化为机械效应。
"Every story is a fragment of the universe trying to explain itself."
We perceive the world in terms of its significance for action.
The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.