Know when enough is enough. Stay humble no matter how successful you are. Pride comes before the fall.
Holding a cup while filling it to the brim,
Is not as good as stopping in time;
Hammering a blade until it is sharp,
Will not preserve its edge for long.
When your hall is stuffed with gold and jade,
Nobody will be able to protect it.
When riches and honors lead to arrogance;
Disaster will inevitably follow;
Retire when you have accomplished your goal;
This is the way of heaven.