וְעָרֵ֣ל ׀ זָכָ֗ר אֲשֶׁ֤ר לֹֽא־יִמּוֹל֙ אֶת־בְּשַׂ֣ר עָרְלָת֔וֹ וְנִכְרְתָ֛ה הַנֶּ֥פֶשׁ הַהִ֖וא מֵעַמֶּ֑יהָ אֶת־בְּרִיתִ֖י הֵפַֽר׃ (ס)
And the uncircumcised male who is not circumcised in the flesh of his foreskin, that soul shall be cut off from his people; he hath broken My covenant.’
Read Jewish philosophical commentary on Genesis 17:14: and classical philosophical sources.