Identify and describe one of the five (Brahman and Atman, Maya, Karma, Samsara, Moksha) key concepts from the Upanishads. Examine these teachings and the way they have influenced other expressions of Indian spirituality. Make sure your response is supported with quotes from the Upanishads and citations from scholarly sources. ONE SOURCE YOU HAVE TO USE: http://www.gutenberg.org/cache/epub/3283/pg3283-images.html