Yet hidden within the conceptual system for measuring such boundlessness is the indispensable, local, cyclic unit of the year, a unit which is recognized by its returning.

• 可是，测度这无穷宇宙的概念体系，却隐含着一个不可或缺的、褊狭而循环的年度单位。我们对这个单位的分辨，靠的就是它的循环往复。