By His Divine Grace A.C. Bhaktivedanta Swami Srila Prabhupada
As long as we have the desire for material sense gratification or the desire for material liberation there is no possibility of developing transcendental bliss in Krsna consciousness. Bhukti is the desire for material sense gratification, and mukti is the desire, after being frustrated, for liberation. Real mukti or liberation however, means to achieve devotional service. If one becomes liberated from nonsense then one must engage on