the rulers of the synagogue sent unto them; that is, those who were the principal men in the synagogue, the ruler of it, together with the elders; for there was but one ruler in a synagogue; See Gill on Mat_9:18 though there were more elders; and so the Syriac version here renders it, "the elders of the synagogue"; but it may be asked, why should they send to the apostles? how did they know that they were teachers, being strangers? this they might conclude from their outward appearance, their gravity and solidity; for as for habit or dress there was no distinction; or from their sitting down when they came into the synagogue, which was the custom of teachers; or they might have had some knowledge of them, and conversation with them, before they came into the synagogue; for it cannot be reasonably thought that they admitted anyone, whether they knew him or not, to teach in their synagogues: