It is not possible to comprehend the greatness of Krsna and His opulences. The senses of the individual soul are imperfect and do not permit him to understand the totality of Krsna's affairs. Still the devotees try to understand Krsna, but not on the principle that they will be able to understand Krsna fully at any specific time or in any state of life. Rather, the very topics of Krsna are so relishable that they appear to them as nectar. Thus they enjoy them. In discussing Krsna's opulences and His diverse energies, the pure devotees take transcendental pleasure. Therefore they want to hear and discuss them. Krsna knows that living entities do not understand the extent of His opulences; He therefore agrees to state only the principal manifestations of His different energies. The word pradhanyatah (principal) is very important because we can understand only a few of the principal details of the Supreme Lord, for His features are unlimited. It is not possible to understand them all. And vibhuti, as used in this verse, refers to the opulences by which He controls the whole manifestation. In the Amara-kosa dictionary it is stated that vibhuti indicates an exceptional opulence.