They are sparked with pure spiritual force from the door of Brahm, the sahasrara chakra. When correctly channeled, the subtler forms of this creative energy are the essence of artistic, intellectual and spiritual expression. Those who practice transmutation awaken many latent talents from within. It becomes second nature to create and express, being in tune with the essence of creative energy. This is also the practice, for one does not suddenly reach a point where desire goes away.
Desire is life.
Desire can be directed according to the personal will. Living life according to basic spiritual principles is your sadhana. Through sadhana you can gain mastery over all the forces of your mind and body. As man leaves his instinctive-intellectual nature and unfolds spiritually, the forces of that nature must be brought under his conscious control. The successful practice of brahmachariya creates a deva-like person.