Psalms 135:17 Halakhah

אָזְנַ֣יִם לָ֭הֶם וְלֹ֣א יַאֲזִ֑ינוּ אַ֝֗ף אֵין־יֶשׁ־ר֥וּחַ בְּפִיהֶֽם׃

They have ears, but they hear not; Neither is there any breath in their mouths.

Read halakhic rulings (Jewish law) on Psalms 135:17: and classical halakhic sources.