Light is the soul of architecture.

Waste is a design flaw, not an inevitable outcome.

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.

除非一个人爱另一个人，否则他无法完全意识到另一个人的本质。

线性经济是一个从根本上就有缺陷的系统。它是一个获取、制造和浪费的系统。