6.20 Yatra, at the time when; cittam, the mind; niruddham, restrained, entirely prevented from wandering; uparamate, gets withdrawn; yoga-sevaya, through the practice of Yoga; ca, and; yatra eva, just when, at the very moment when; pasyan, by seeing, by experiencing; atmanam, the Self, which by nature is the supreme light of Consciousness; atmana, by the self, by the mind purified by concentration; tusyati, one remains contented, gets delighted; atmani eva, in one's own Self alone-. [Samadhi is of two kinds, Samprajnata and Asamprajnata. The concentration called right knowledge (Samprajnata) is that which is followed by reasoning, discrimination, blisss and unqualified egoism. Asamprajnata is that which is attained by the constant practice of cessation of all mental activity, in which the citta retains only the unmanifested impressions.-Cf. C. W., Vol. I, 1962, pp. 210, 212. According to A.G. the verses upto 6.20 state in a general way the characteristics of samadhi. From the present verse to the 25th, Asamprajnata-samadhi is introduced and defined.-Tr.] Besides,