The devotional activities of the Krsna consciousness movement are completely transcendental to material considerations. As far as different faiths are concerned, religions may be of different types, but on the spiritual platform, everyone has an equal right to execute devotional service. That is the platform of oneness and the basis for a classless society. In his Amrta-pravaha-bhasya, Srila Bhaktivinoda Thakura confirms that one has to learn from a bona fide spiritual master about religious principles, economic development, sense gratification and ultimately liberation. These are the four divisions of regulated life, but they are subjected to the material platform. On the spiritual platform, the four principles are jnana, vijnana, tad-anga and tad-rahasya. Rules, regulations and restrictions are on the material platform, but on the spiritual platform one has to be equipped with transcendental knowledge, which is above the principles of religious rituals. Mundane religious activity is known as smarta-viddhi, but transcendental devotional service is called Gosvami-viddhi. Unfortunately many so-called gosvamis are on the platform of smarta-viddhi, yet they try to pass as Gosvami-viddhi, and thus the people are cheated. Gosvami-viddhi is strictly explained in Sanatana Gosvami's Hari-bhakti-vilasa, wherein it is stated: