Updated May 14, 2020 | Infoplease Staff Nineteenth Khanda1. “When one believes, then one perceives. One who does not believe, does not perceive. Only he who believes, perceives. This belief, however, we must desire to understand.”“Sir, I desire to understand it.” Khandogya-Upanishad: Seventh Prapathaka, Eighteenth Khanda Khandogya-Upanishad: Seventh Prapathaka, First Khanda Khandogya-Upanishad: Seventh Prapathaka, Twentieth Khanda .com/t/rel/upanishads/khandogya7-19.html Sources Our Common Sources