 This paradoxical dialectic relates in Kabbalistic terminology to descending immanent "Vessels", and successively higher transcendent "Lights" through the history of creation.In Jewish thought, deepening Talmudic and Rationalist enquiry broadens the physical application of Torah (vessels), while deepening Jewish mysticism draws down higher levels of illumination (light).One of the first expressions of the idea appears in the Talmudic adage found in Shabbos 112b (Soncino)