Srimad Bhagavad - Gita

Srimad Bhagavad-Gita : Chapter-4. ( Jnana-karma-sanyasa-yogam ) Slokam-38. ( In this world, there is nothing so sublime and pure as transcendental knowledge. Such knowledge is the mature fruit of all mysticism. And one who has achieved this enjoys the self within himself in due course of time. ) na hi  jnanena  sadrsam  pavitramiha  vidyate, tatsvayam  yogasamsiddhah  kalenatmani  vindati. jnanena  sadrsam  pavitram  =   with  knowledge  in  comparison  (equal to)  sanctified  ( pure ); iha  na  vidyate  hi  =  certainly  here  (in this world)  nothing  exists; yogasamsiddhah  =  one  reached  maturity  in  yogam  (devotion); tat  kalena  =  that  (jnanam)  in the  course  of  time; atmani  svayam  vindati  =  in  himself ...