4.38 न not, हि verily, ज्ञानेन to wisdom, सदृशम् like, पवित्रम् pure, इह here (in this world), विद्यते is, तत् that, स्वयम् oneself, योगसंसिद्धः perfected in Yoga, कालेन in time, आत्मनि in the Self, विन्दति finds.Commentary: There exists no purifier eal to knowledge of the Self. He who has attained perfection by the constant practice of Karma Yoga and Dhyana Yoga (the Yoga of meditation) will, after a time, find the knowledge of the Self in himself.