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.

A play is not an essay, nor should it be treated as such.

对富有的单身汉应该客以重税。让某些人比其他人更快乐是不公平的。

"You have to be able to confront reality but also inspire hope."

The key to trading success is to have a clear strategy and execute it consistently.

Sustainability isn't a cost—it's an investment in our future.

The most successful investors are those who remain patient and disciplined.