הָאֹמֵ֞ר לְאָבִ֤יו וּלְאִמּוֹ֙ לֹ֣א רְאִיתִ֔יו וְאֶת־אֶחָיו֙ לֹ֣א הִכִּ֔יר וְאֶת־בנו [בָּנָ֖יו] לֹ֣א יָדָ֑ע כִּ֤י שָֽׁמְרוּ֙ אִמְרָתֶ֔ךָ וּבְרִֽיתְךָ֖ יִנְצֹֽרוּ׃
Who said of his father, and of his mother: ‘I have not seen him’; Neither did he acknowledge his brethren, Nor knew he his own children; For they have observed Thy word, And keep Thy covenant.
Read Jewish philosophical commentary on Deuteronomy 33:9: and classical philosophical sources.