From out of all the many particulars comes oneness, and out of oneness come all the many particulars.
No one that encounters prosperity does not also encounter danger.
If one does not expect the unexpected, one will not find it out, since it is not to be searched out, and difficut to compass.
The fairest harmony springs from discord.
If you do not expect the unexpected, you will not recognize it when it arrives.
It is better to conceal ignorance than to expose it.