atah sri-krsna-namadi
na bhaved grahyam indriyaih
sevonmukhe hi jihvadau
svayam eva sphuraty adah
[Cc. Madhya 17.136]
This is the process. So when our senses are engaged in the service of the Lord, sarvopadhi-vinirmuktam tat-paratvena nirmalam [Cc. Madhya 19.170], when our senses become purified, hrsikena

