Luke 9:5

9:5 Wherever they do not receive you, as you leave that town, shake the dust off your feet as a testimony against them.”

Matthew 10:18

10:18 And you will be brought before governors and kings because of me, as a witness to them and the Gentiles.

Mark 1:44

1:44 He told him, “See that you do not say anything to anyone, but go, show yourself to a priest, and bring the offering that Moses commanded for your cleansing, as a testimony to them.”

Mark 6:11

6:11 If a place will not welcome you or listen to you, as you go out from there, shake the dust off your feet as a testimony against them.”