Design is not just what it looks like and feels like. Design is how it works.
设计不仅仅是外观和感觉,设计关乎它如何运作。
The condition of mere nature...is a condition of war of everyone against everyone.
That is what learning is. You suddenly understand something you've understood all your life, but in a new way.
The arithmetic of algebraic groups is a central theme in the Langlands program.