Luke 10:5-8

And into whatsoever house ye shall enter, first say, Peace be to this house. And if a son of peace be there, your peace shall rest upon him: but if not, it shall turn to you again. And in that same house remain, eating and drinking such things as they give: for the laborer is worthy of his hire. Go not from house to house. And into whatsoever city ye enter, and they receive you, eat such things as are set before you