Opposition brings concord. Out of discord comes the fairest harmony.
You can never step into the same river; for new waters are always flowing on to you.
To God all things are beautiful, good, and right; human beings, on the other hand, deem some things right and others wrong. It would not be better if things happened to people just as they wish
You could not step twice into the same rivers; for other waters are ever flowing on to you.
Upon those who step into the same rivers different and ever different waters flow down.
There is nothing permanent except change.
Nothing endures but change.