નહી આપતાં આવડે ઉતર, તો બેશજે મુગો અપુતર.

nahī āpatāṁ āvaḍē utara, tō bēśajē mugō aputara.

Literally: If you do not know how to give an answer, then sit silent, you son of a fool.
What it means: It is better to remain silent than to speak foolishly when you have nothing intelligent to say.

કહેવત સમુદાય (Kahevat Samuday) · read from the scan by machine — the Gujarati itself is unchecked · English is machine-made and nobody has checked it yet

Heard it differently, or know we've got the sense wrong? Tell us — that is exactly the kind of correction this needs.