Jñāneśvarī (commentary on the Bhagavadgītā) 2.130

2.130

kīm bhūsa bīja ekavaṭa |
upaṇitāṃ rāhe ghanavaṭa |
tetha uḍe teṃ phalakaṭa |
jāṇoṃ āleṃ ||

Or when chaff and grain are together, / on winnowing, the solid grain remains, / while the empty husk flies away / and is recognized [as worthless];