自然界的存在与任何命题的存在是同一类型的事实。
The existence of the natural world is the same kind of fact as the existence of any proposition.
I believe that love is a better teacher than the sense of duty， he said， at least for me.
To understand the future, one must first understand the past.
光永远是一种把空间戏剧化的重要元素。
语言是一个自由创造的过程；其法则和原则是固定的，但生成原则的运用方式是自由且无限多样的。