Do not slander a servant to a master, or the servant will curse you, and you will be held guilty.
There are those who curse their fathers and do not bless their mothers.
There are those who are pure in their own eyes yet are not cleansed of their filthiness.
There are those—how lofty are their eyes, how high their eyelids lift!—
there are those whose teeth are swords, whose teeth are knives, to devour the poor from off the earth, the needy from among mortals.
The leech has two daughters; "Give, give," they cry. Three things are never satisfied; four never say, "Enough":
References for Proverbs 30:15
Sheol, the barren womb, the earth ever thirsty for water, and the fire that never says, "Enough."
References for Proverbs 30:16
The eye that mocks a father and scorns to obey a mother will be pecked out by the ravens of the valley and eaten by the vultures.
Three things are too wonderful for me; four I do not understand:
the way of an eagle in the sky, the way of a snake on a rock, the way of a ship on the high seas, and the way of a man with a girl.
This is the way of an adulteress: she eats, and wipes her mouth, and says, "I have done no wrong."