dust of your # 42_LUK_10_11 # Even the very dust of your city, which cleaveth on us, we do wipe off against you: notwithstanding be ye sure of this, that the kingdom of God is come nigh unto you. 
dust of your # 40_MAT_10_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.