Psalms 135:16 Halakhah

פֶּֽה־לָ֭הֶם וְלֹ֣א יְדַבֵּ֑רוּ עֵינַ֥יִם לָ֝הֶ֗ם וְלֹ֣א יִרְאֽוּ׃

They have mouths, but they speak not; Eyes have they, but they see not;

Read halakhic rulings (Jewish law) on Psalms 135:16: and classical halakhic sources.