“And in the same house remain, eating and drinking such things as they give: for the labourer is worthy of his hire. Go not from house to house.”
Luke 10:7 — Greek Interlinear
Church Fathers on Luke 10:7
Peace is the mother of all good things, without it all other things are vain. Our Lord therefore commanded His is disciples on entering a house first to pronounce peace as a sign of good things, saying, Into whatever house you enter, first say, Peace be to this house.
That in truth we should convey the message of peace, and that our very first entrance be attended with the blessing of peace.
But it is said, Peace be to this house, that is, to them that dwell in the house. As if he says, I speak to all, both the greater and the less, yet should not your salutation be addressed to them that are unworthy of it. Hence it is added, And if the son of peace be there, your peace shall rest upon it. As if he says, You indeed shall utter the word, but the blessing of peace shall be applied wherever I shall deem men worthy of it. But if any one is not worthy, you are not…