וְכָל־בָּנַ֖יִךְ לִמּוּדֵ֣י יְהוָ֑ה וְרַ֖ב שְׁל֥וֹם בָּנָֽיִךְ׃
And all thy children shall be taught of the LORD; and great shall be the peace of thy children.
Read Jewish philosophy on Isaiah 54:13: Rambam's Guide for the Perplexed, Saadia Gaon, and classical Jewish philosophical sources, free online.