Caitanya-caritāmṛta 6.234
‘sādhya’-‘sādhana’-tattva śikha iṅhāra sthāne āmi tata nāhi jāni, iṅho yata jāne
[‘saadhya’-‘saadhana’-tattva shikha inhaara sthaane aami tata naahi jaani, inho yata jaane]
Blended reading (Sanskrit + English inline)
‘sādhya’-‘sādhana’-tattva śikha iṅhāra sthāne āmi tata nāhi jāni, iṅho yata jāne
“You may learn from him what your duty is and how to discharge it. I do not know as much as he.
My note
Source: vedabase.io