Commentary for Zechariah 7:12

וְלִבָּ֞ם שָׂ֣מוּ שָׁמִ֗יר מִ֠שְּׁמוֹעַ אֶת־הַתּוֹרָ֤ה וְאֶת־הַדְּבָרִים֙ אֲשֶׁ֨ר שָׁלַ֜ח יְהוָ֤ה צְבָאוֹת֙ בְּרוּח֔וֹ בְּיַ֖ד הַנְּבִיאִ֣ים הָרִֽאשֹׁנִ֑ים וַֽיְהִי֙ קֶ֣צֶף גָּד֔וֹל מֵאֵ֖ת יְהוָ֥ה צְבָאֽוֹת׃

Yea, they made their hearts as an adamant stone, lest they should hear the law, and the words which the LORD of hosts had sent by His spirit by the hand of the former prophets; therefore came there great wrath from the LORD of hosts.

Rashi on Zechariah