Persons who work at their prescribed duties, not for sense gratification but for gratification of the Supreme Lord, are called niḥsaṅga, freed from the influence of the modes of material nature. Nyasta-karmāṇaḥ indicates that the results of their activities are given to the Supreme Personality of Godhead. Such persons appear to be acting on the platform of their respective duties, but such activities are not performed for personal sense gratification; rather, they are performed for the Supreme Person. Such devotees are called praśāntāḥ, which means "completely satisfied." Śuddha-cetasaḥ means Kṛṣṇa conscious; their consciousness has become purified. In unpurified consciousness one thinks of himself as the Lord of the universe, but in purified consciousness one thinks himself the eternal servant of the Supreme Personality of Godhead. Putting oneself in that position of eternal servitorship to the Supreme Lord and working for Him perpetually, one actually becomes completely satisfied. As long as one works for his personal sense gratification, he will always be full of anxiety. That is the difference betweenordinary consciousness and Kṛṣṇa consciousness.
(Srimad Bhagavatam----3:32:5----purport).

The most significant expression in this verse is pārthivārbhakaḥ, son of the King. When Dhruva Mahārāja was at home, although he was a king's son, he was prevented from getting on the lap of his father. But when he became advanced in self-realization, or devotional service, by the pressure of his toe he could push down the whole earth. That is the difference betweenordinary consciousness and Kṛṣṇa consciousness. In ordinary consciousness a king's son may be refused something even by his father, but when the same person becomes fully Kṛṣṇa conscious within his heart, he can push down the earth with the pressure of his toe.
One cannot argue, "How is it that Dhruva Mahārāja, who was prevented from getting up on the lap of his father, could press down the whole earth?" This argument is not very much appreciated by the learned, for it is an example of nagna-mātṛkā logic. By this logic one would think that because his mother in her childhood was naked, she should remain naked even when she is grown up. The stepmother of Dhruva Mahārāja might have been thinking in a similar way: since she had refused to allow him to get up on the lap of his father, how could Dhruva perform such wonderful activities as pressing down the whole earth? She must have been very surprised when she learned that Dhruva Mahārāja, by concentrating constantly on the Supreme Personality of Godhead within his heart, could press down the entire earth, like an elephant who presses down the boat on which it is loaded.
(Srimad Bhagavatam----4:8:79----purport).

On the mahāmāyā platform, dances take place on the basis of sense gratification. But when Kṛṣṇa called the gopīs by sounding His flute, they very hurriedly rushed toward the spot of the rāsa dance with the transcendental desire to satisfy Kṛṣṇa. The author of Caitanya-caritāmṛta, Kṛṣṇadāsa Kavirāja Gosvāmī, has explained that lust means sense gratification, and love also means sense gratification—but for Kṛṣṇa. In other words, when activities are enacted on the platform of personal sense gratification, they are called material activities, but when they are enacted for the satisfaction of Kṛṣṇa, they are spiritual activities. On any platform of activities, the principle of sense gratification is there. But on the spiritual platform, sense gratification is for the Supreme Personality of Godhead, Kṛṣṇa, whereas on the material platform it is for the performer. For example, on the material platform, when a servant serves a master, he is trying to satisfy not the senses of his master but rather his own senses. The servant would not serve the master if the payment stopped. That means that the servant engages himself in the service of the master just to satisfy his own senses. On the spiritual platform, however, the servitor of the Supreme Personality of Godhead serves Kṛṣṇa without payment, and he continues his service in all conditions. That is the difference between Kṛṣṇa consciousness and material consciousness.
(Krsna Book).