"Pressure is a privilege—it only comes to those who earn it."

Suffering is the school of wisdom.

道法自然，顺应自然即是遵循道。

"The only thing necessary for the triumph of evil is for good men to do nothing."

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.