The fairest harmony springs from discord.
It is hard to contend against one's heart's desire; for whatever it wishes to have it buys at the cost of soul.
A hidden connection is stronger than an obvious one.
There is nothing permanent except change. [Therefore enjoy what good you have while you have it and endure and outlast what bad you can't cure immediately]
Everything is in flux.
It is wise to agree that all things are one.