Ayurvedamahodadhi (Annapanavidhi section) 40

40

sarvam ākāśajaṃ vāri svāduto hy anumīyate /
pārthivaṃ hi rasāmijñair bhūmibhāgena lakṣyate // 31 //

All water born from the sky is inferred indeed by its sweetness; / earthly water, however, is recognised by connoisseurs of tastes according to the tract of land: // 31