לָכֵ֗ן כֹּ֤ה אָמַר֙ קְד֣וֹשׁ יִשְׂרָאֵ֔ל יַ֥עַן מָֽאָסְכֶ֖ם בַּדָּבָ֣ר הַזֶּ֑ה וַֽתִּבְטְחוּ֙ בְּעֹ֣שֶׁק וְנָל֔וֹז וַתִּֽשָּׁעֲנ֖וּ עָלָֽיו׃
Wherefore thus saith the Holy One of Israel: Because ye despise this word, and trust in oppression and perverseness, and stay thereon;
Read halakhic rulings (Jewish law) on Isaiah 30:12: and classical halakhic sources.