Bhagavad Gītā Chapter Seven verse 8

raso ’ham apsu kāunteya prabhāsmi śaśisūryayoḥ |
praṇavaḥ sarvavedeṣu śabdaḥ khe pāuruṣaṃ nṛṣu ||

praṇava - sacredśabda - words

Commentaries and Reflections

T Krishnamacharya:

“The taste in the water cannot be seen.
Only when we put the water in our mouths.
So it is with Bhakti.”