וַהֲקִמֹתִ֤י עֲלֵיכֶם֙ צֹפִ֔ים הַקְשִׁ֖יבוּ לְק֣וֹל שׁוֹפָ֑ר וַיֹּאמְר֖וּ לֹ֥א נַקְשִֽׁיב׃
And I set watchmen over you: ‘Attend to the sound of the horn’, But they said: ‘We will not attend.’
Read kabbalistic (mystical) interpretation of Jeremiah 6:17: and classical mystical sources.