Knowledge Beyond Samsāra
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pure devotees are singing.” We can feel the presence of Kṛṣṇa as we actually make progress.
It is not that we should simply take things from Kṛṣṇa and offer Him nothing. Everyone is taking something from God, so why not give something? We are taking from Kṛṣṇa so much light, air, food, water and so on. Unless these resources are supplied by Kṛṣṇa, no one can live. Is it love to simply keep taking and taking and taking without ever offering anything in return? Love means taking and giving also. If we just take from someone and give him nothing in return, that is not love—it is exploitation. It is not that we should just continue eating without ever offering anything to Kṛṣṇa. In  Bhagavad-gītā  Kṛṣṇa says:
patram puṣpam phalam toyam 
    yo me bhaktyā prayacchati 
    tad aham bhakty-upahṛtam 
    aśnāmi prayatātmanaḥ 
    yat karoṣi yad aśnāsi 
    yaj juhoṣi dadāsi yat 
    yat tapasyasi kaunteya 
    tat kuruṣva mad arpaṇam
“If one offers Me with love and devotion a leaf, a flower, fruit or water, I will accept it. O son of Kuntī, all that you do, all that you eat, all that you offer and give away, as well as all austerities that you perform, should be done as an offering unto Me.” (Bg. 9.26-27)
In addition to giving and receiving, in the execution of devotional service one has to submit to