આજકાલના કીકા, તે ડહાપણમાં ડુલી ગયા.

ājakālanā kīkā, tē ḍahāpaṇamāṁ ḍulī gayā.

Literally: Infants of today are steeped in wisdom.
What it means: Said sarcastically of young, inexperienced people who pretentiously act like elders or experts.

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.