ભૂખ ગયે ભોજન, તરસ મટે પાણી, એ તો વાત મેં જાણી.

bhūkha gayē bhōjana, tarasa maṭē pāṇī, ē tō vāta mēṁ jāṇī.

Literally: Food when hunger is gone, water when thirst is quenched—this much I know.
What it means: Offering help or resources after the need has already passed is completely useless.

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.