આંગળી સુજીને કાંઈ થાંભલા થાય નહીં.

āṁgaḷī sujīnē kāṁī thāṁbhalā thāya nahīṁ.

Literally: A swollen finger does not make a pillar.
What it means: Temporary inflation or false grandeur does not turn a small person into a great one.

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.