જવાસા જેવું કાઈ અદેખું નહીં.

javāsā jēvuṁ kāī adēkhuṁ nahīṁ.

Literally: There is nothing as envious as the camel-thorn plant.
What it means: Said of a spiteful person who suffers and grows bitter whenever others prosper.

Also said as

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1921) · 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.