શાહીનું ટીપું શુકનાળવું.

śāhīnuṁ ṭīpuṁ śukanāḷavuṁ.

Literally: A drop of ink is auspicious.
What it means: Writing or signing a document brings good fortune or seals a deal.

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.