וְשָׁלַח֩ יְהוָ֨ה אֲלֵיכֶ֜ם אֶֽת־כָּל־עֲבָדָ֧יו הַנְּבִאִ֛ים הַשְׁכֵּ֥ם וְשָׁלֹ֖חַ וְלֹ֣א שְׁמַעְתֶּ֑ם וְלֹֽא־הִטִּיתֶ֥ם אֶֽת־אָזְנְכֶ֖ם לִשְׁמֹֽעַ׃
And the LORD hath sent unto you all His servants the prophets, sending them betimes and often—but ye have not hearkened, nor inclined your ear to hear—
Read kabbalistic (mystical) interpretation of Jeremiah 25:4: and classical mystical sources.