સંભારીને નામું લખે, ને ઊંટે ચડીને ઊંધે.

saṁbhārīnē nāmuṁ lakhē, nē ūṁṭē caḍīnē ūṁdhē.

Literally: Writes the account while remembering, and forgets while riding a camel.
What it means: Someone who is careless or forgets their responsibilities as soon as they are distracted.

Also said as

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1923) · 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.