שָׁמַ֤עְתָּֽ חֲזֵה֙ כֻּלָּ֔הּ וְאַתֶּ֖ם הֲל֣וֹא תַגִּ֑ידוּ הִשְׁמַעְתִּ֤יךָ חֲדָשׁוֹת֙ מֵעַ֔תָּה וּנְצֻר֖וֹת וְלֹ֥א יְדַעְתָּֽם׃
Thou hast heard, see, all this; And ye, will ye not declare it? I have announced unto thee new things from this time, Even hidden things, which thou hast not known.
Read halakhic rulings (Jewish law) on Isaiah 48:6 from the Mishneh Torah and classical halakhic sources, free online.