812
Śrīmad-Bhāgavatam
[ Canto 3, Ch. 21 ]
He is.  Samādhi  is described in authoritative  yoga  scriptures, such as the  Patañjali-sūtras , to be a transcendental pleasure. The  yoga  system described in the books of Patañjali is authoritative, and the modern so-called  yogīs  who have manufactured their own ways, not consulting the authorities, are simply ludicrous. The Patañjali  yoga  system is called  aṣṭāṅga-yoga . Sometimes impersonalists pollute the Patañjali  yoga  system because they are monists. Patañjali describes that the soul is transcendentally pleased when he meets the Supersoul and sees Him. If the existence of the Supersoul and the individual is admitted, then the impersonalist theory of monism is nullified. Therefore some impersonalists and void philosophers twist the Patañjali system in their own way and pollute the whole  yoga  process.
According to Patañjali, when one becomes free from all material desires he attains his real transcendental situation, and realization of that stage is called spiritual power. In material activities a person engages in the modes of material nature. The aspirations of such people are (1) to be religious, (2) to be economically enriched, (3) to be able to gratify the senses, and at last, (4) to become one with the Supreme. According to the monists, when a  yogī  becomes one with the Supreme and loses his individual existence, that is the highest stage, called  kaivalya . But actually the stage of realization of the Personality of Godhead is  kaivalya . The oneness of understanding that the Supreme Lord is fully spiritual and that in full spiritual realization one can understand what He is—the Supreme Personality of Godhead—is called  kaivalya , or, in the language of Patañjali, realization of spiritual power. His proposal is that when one is freed from material desires and fixed in spiritual realization of the self and the Superself, that is called  cit-śakti . In full spiritual realization there is a perception of spiritual happiness, and that happiness is described in  Bhagavad-gītā  as the supreme happiness, which is beyond the material senses. Trance is described to be of two kinds,  samprajñāta  and  asamprajñāta , or mental speculation and self-realization. In  samādhi  or  asamprajñāta , one can realize, by his spiritual senses, the spiritual form of the Lord. That is the ultimate goal of spiritual realization.
According to Patañjali, when one is fixed in constant realization of the supreme form of the Lord, that is the perfectional stage, as attained by Kardama Muni. Unless one attains this stage of perfection—beyond the perfection of the preliminaries of the  yoga  system—there is no ultimate realization. There are eight perfections in the  aṣṭāṅga-yoga  system. One who has attained them can become lighter than the lightest and greater than the greatest, and he can achieve whatever he likes. But even achieving such material success in  yoga  is not the perfection or the ultimate goal.