Ever-newer waters flow on those who step into the same rivers.
Under the comb, the tangle and the straight path are the same.
The fairest harmony springs from discord.
Heraclitus somewhere says that all things are in process and nothing stays still, and likening existing things to the stream of a river he says that you would not step twice into the same river.
It is weariness to keep toiling at the same things so that one becomes ruled by them.
Deliberate violence is more to be quenched than a fire