One must know that war is common, justice is strife, and everything happens according to strife and necessity.
The fairest order in the world is a heap of random sweepings.
There is nothing permanent in the world except change.
Men who love wisdom should acquaint themselves with a great many particulars.
From out of all the many particulars comes oneness, and out of oneness come all the many particulars.
Whoever cannot seek the unforeseen sees nothing for the known way is an impasse.