Matthew 10:13 KJV
And if the house be worthy, let your peace come upon it: but if it be not worthy, let your peace return to you.
Matthew 10:13, King James Version
In context
12 And when ye come into an house, salute it.
13 And if the house be worthy, let your peace come upon it: but if it be not worthy, let your peace return to you.
14 And whosoever shall not receive you, nor hear your words, when ye depart out of that house or city, shake off the dust of your feet.