If someone doesn't welcome you, and refuses to listen to what you have to say, then leave that house or that town, shaking its dust off your feet as you go.
‘We are wiping off even the dust from your town that clings to our feet to show you our disapproval. But you should recognize this: God's kingdom has come.’
When they opposed him and cursed him, he shook out his clothes and told them, “Your blood is on your own heads! I am innocent of any guilt, and from now on I will go to the foreigners.”