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.

Profit is important, but purpose is what sustains a business long-term.

The most sustainable competitive advantage is the ability to learn faster than your competitors.

人们不禁会感到这些数学公式拥有独立的存在和自己的智慧，它们比我们更聪明，甚至比它们的发现者更聪明。