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Śrīmad-Bhāgavatam
[Canto 3, Ch. 27]
long time about Me or from Me. By thus executing one's prescribed duties, there will be no reaction, and one will be freed from the contamination of matter.
PURPORT
Śrīdhara Svāmī comments in this connection that by association of material nature alone one does not become conditioned. Conditional life begins only after one is infected by the modes of material nature. If someone is in contact with the police department, that does not mean that he is a criminal. As long as one does not commit criminal acts, even though there is a police department, he is not punished. Similarly, the liberated soul is not affected, although he is in the material nature. Even the Supreme Personality of Godhead is supposed to be in association with material nature when He descends, but He is not affected. One has to act in such a way that in spite of being in the material nature he is not affected by contamination. Although the lotus flower is in association with water, it does not mix with the water. That is how one has to live, as described here by the Personality of Godhead Kapiladeva ( animitta-nimittena sva-dharmeṇāmalātmanā ).
One can be liberated from all adverse circumstances simply by seriously engaging in devotional service. How this devotional service develops and becomes mature is explained here. In the beginning one has to perform his prescribed duties with a clean mind. Clean consciousness means Kṛṣṇa consciousness. One has to perform his prescribed duties in Kṛṣṇa consciousness. There is no necessity of changing one's prescribed duties; one simply has to act in Kṛṣṇa consciousness. In discharging Kṛṣṇa conscious duties, one should determine whether, by his professional or occupational duties, Kṛṣṇa, the Supreme Personality of Godhead, is satisfied. In another place in the  Bhāgavatam  it is said,  svanuṣṭhitasya dharmasya saṁsiddhir hari-toṣaṇam : everyone has some prescribed duties to perform, but the perfection of such duties will be reached only if the Supreme Personality of Godhead, Hari, is satisfied by such actions. For example, Arjuna's prescribed duty was to fight, and the perfection of his fighting was tested by the satisfaction of Kṛṣṇa. Kṛṣṇa wanted him to fight, and when he fought for the satisfaction of the Lord, that was the perfection of his professional devotional duty. On the other hand, when, contrary to the wish of Kṛṣṇa, he was not willing to fight, that was imperfect.
If one wants to perfect his life, then he should discharge his prescribed duties for the satisfaction of Kṛṣṇa. One must act in Kṛṣṇa consciousness,