But they shook off the dust of their feet against them, and came unto Iconium.
51. When they had shaken of the dust of their feet. We may also gather, even by the commandment of Christ, (Matthew 10:14; Luke 9:5; 10:11,) that this was a token of cursing among the Jews. For it is not to be thought that Christ meant to have his [disciples] use an unknown sign, forasmuch as it was his purpose to terrify the gross and professed condemners of his doctrine.
Those Jews who left the synagogue confessed their unbelief as plainly as believers confess their faith by staying. They stopped their ears like the deaf adder, resolved not to be convinced. God never leaves any until they first leave Him.
AI summary
Commenting on Acts 13:42-52
Verse 51. But they shook off the dust, etc. . And came into Iconium. This was the capital of Lycaonia. It is now called Cogni, or Lonieh, and is the capital of Caramania. (b) "shook off the dust"