ei dui guna vyape saba bhakta-jane
akasera 'sabda'-guna yena bhuta-gane
ei dui—these two; guna—transcendental qualities; vyape—expand; saba bhakta-jane—in the lives of all devotees; akasera—of the sky; sabda-guna—the quality of sound; yena—like; bhuta-gane—other material elements.
"These two qualities of the santa stage spread through the lives of all devotees. They are like the quality of sound in the sky. Sound vibration is found in all material elements.
The qualities of santa-rasa are present in all kinds of devotees, whether they are in the dasya-rasa, sakhya-rasa, vatsalya-rasa or madhura-rasa. The example of sound is given herein. Sound not only exists in the sky, or ether, but it is also present in air, fire, water and earth. This is a scientific explanation of devotional service. just as sound is present in all material elements, santa-rasa is present in all devotees, whether they are on the platform of dasya-rasa, sakhya-rasa, vatsalya-rasa or madhura-rasa.
Link to this page: https://prabhupadabooks.com/cc/madhya/19/217