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.

——在广州全国青年联合会演说，1923年10月21日

The most successful modern states are those that have been able to harness the power of the market while maintaining a strong state capable of enforcing rules and providing public goods.

The companies that will thrive are those that see environmental challenges as opportunities for innovation.

如果谣言是真的，那我不配住在英国；如果谣言是假的，那么英国不配让我居住。

"The most important thing is to stay focused on the mission."