"Language is a skin: I rub my language against the other. It is as if I had words instead of fingers, or fingers at the tip of my words."
语言是一种皮肤：我用我的语言摩擦对方。就好像我有的是词语而不是手指，或者我的词语尖端有手指。
真正的进步发生在我们走出舒适区并拥抱变化的时候。
物理理论的美在于它能够统一看似无关的现象。
Own only what you can always carry with you: know languages, know countries, know people. Let your memory be your travel bag.
社会系统的统一性在于其各部分之间的相互依存。