ખેતર તેવાં વેતર.

khētara tēvāṁ vētara.

Literally: Like the field like the crop.
What it means: The quality of the output depends on the quality of the input.
The English proverb Shah set beside it: As you sow, so you reap.

Also said as

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1923) 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.