2 Bible Verses about Dust, Figurative Use

And whoever shall not receive you, nor hear your words, when ye go out of that house or city, shake off the dust from your feet.

And they cast dust on their heads, and cried out, weeping and mourning, saying: Alas, alas, the great city, whereby were made rich all that had ships in the sea by reason of her wealth! for in one hour she is made desolate.