No blessing lasts forever.
If you are content, you have enough to live comfortably.
He who tries to protect himself from deception is often cheated, even when most on his guard.
Love has both its gall and honey in abundance: it has sweetness to the taste, but it presents bitterness also to satiety.
The evil that we know is best.
It is the nature of the unfortunate to be spiteful, and to envy those who are well to do.