The alternation of motion is ever proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.
释义：看见一片落叶，就知道一年内的时间将要到头了。通过细微的迹象，可以预料到整个形势的发展趋向与结果。
当你不再试图理解这个世界时，它几乎就是和平的。
Sometimes the simplest things are the most powerful.