וַיְמָאֲנ֣וּ לְהַקְשִׁ֔יב וַיִּתְּנ֥וּ כָתֵ֖ף סֹרָ֑רֶת וְאָזְנֵיהֶ֖ם הִכְבִּ֥ידוּ מִשְּׁמֽוֹעַ׃
But they refused to attend, and turned a stubborn shoulder, and stopped their ears, that they might not hear.
Read Jewish philosophy on Zechariah 7:11: Rambam's Guide for the Perplexed, Saadia Gaon, and classical Jewish philosophical sources, free online.