כִּ֣י עִבְר֞וּ אִיֵּ֤י כִתִּיִּים֙ וּרְא֔וּ וְקֵדָ֛ר שִׁלְח֥וּ וְהִֽתְבּוֹנְנ֖וּ מְאֹ֑ד וּרְא֕וּ הֵ֥ן הָיְתָ֖ה כָּזֹֽאת׃
For pass over to the isles of the Kittites, and see, and send unto Kedar, and consider diligently, and see if there hath been such a thing.
Read Jewish philosophical commentary on Jeremiah 2:10: and classical philosophical sources.