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Dahara-vidya or 'the knowledge of Brahman within', is mentioned in the Chandogya Upanishad and the Taittiriya Upanishad. In this Upasana the sadhaka concentrates on Brahman (the Universal Self) in the cave of the heart. It is one of the thirty-two ''vidyas'' of the Upanishads taught in Vedanta, in which vidya Brahman is perceived as the imperceptible ether within the heart. This ''vidya'' occurs in the 8th Chapter of the Chandogya Upanishad. where it is taught that the abode of Brahman is the small lotus that is here in this city of Brahman, what is there in the small space within the lotus is to be searched out. This ''vidya'' explains the identity of the external and the internal, the objective and the subjective, the macrocosmic and the microcosmic, the universal and the individual, Brahman and the Atman.〔(【引用サイトリンク】author=Swami Sivananda )〕 ==Significance== In the ''Dahara-vidya'', Brahman is to be conceived as dwelling in the cavity of the heart, and yet as big as the whole universe. ''Dahara-vidya'' has for its object the realization of the Atman in the little space (''dahara'' दहरा) the subtle inner sky within oneself in the heart. It is a classical meditative practice mentioned in the Vedas. In this ''vidya'' the desires are the auspicious qualities of Brahman which are the objects of desire; the man who knows Brahman obtains, together with Brahman, all qualities of Brahman. ==Exposition== ''Dahara-vidya'' is described in six brief passages in the Chandogya Upanishad. Sankara explains that for persons who have realized the unity of the Self, there is absence of the idea of 'traveler', 'travel' and 'destination', and on the cessation of the causes for continuance of the traces of ignorance etc. they merge in their own self; Brahman who is devoid of direction, location, qualities, movement, and differences of results, appears to people of dull intellect as non-existing, ''Dahara-vidya'' is taught to make them come to the right path. Therefore, the sage of Chandogya Upanishad insists that he (Brahman) who resides in the small space existing within the small lotus-like dwelling that is within the city of Brahman has to be enquired into (with the help of a teacher and other valid means). The space referred to within the heart is as vast as the space outside, within it are included both heaven and earth; whatever one has and whatever one does not have, all that is included in that space as also all beings and all desires. For those who have not realized Brahman the results acquired through actions get exhausted in this world and those acquired through virtues in the next. For those who have realized the Self there is freedom of movement in all the worlds. Then, whatever province he becomes attracted to, whatever objects he desires, that appears by his very desire, and being associated with that he becomes glorified. The sage tells us – :स वा एष आत्मा हृदि तस्यैतदेव निरुक्तं हृदयमिति तस्मादह्रिदयमहरहर्वा एवंवित्स्वर्गं लोकमेति | :"This self which is such surely exists in the heart. Of that this is verily the deprivation: It is in the heart; therefore that is called the heart. A man of such knowledge daily reaches the heavenly world." 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Dahara-vidya」の詳細全文を読む スポンサード リンク
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