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.

对于购并所需资金，波克夏随时作好万全准备，巴菲特说

世间万物不可能都完美无缺，可怜那些执着的人总是被忧愁困扰。

最好的艺术永远不会完成，它只是被放弃了。

You have to be willing to fail in order to succeed.

"A writer’s voice is found in the silence between the words."

人的生命是有限的，但为人民服务是无限的。