અંદરથી જાહેલ ને બહારથી આલમમાં.

aṁdarathī jāhēla nē bahārathī ālamamāṁ.

Literally: Ignorant from within and worldly from outside.
What it means: It describes someone who pretends to be knowledgeable or sophisticated but lacks substance.

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.