1. Project Homepage. http://visionguider.com/.
2. YouTube Channel. https://www.youtube.com/channel/UCeRrC7Fu62fRvfcYdr454Gw.
3. Adler, Joseph A. 2004. “Varieties of Spiritual Experience: Shen in Neo-Confucian Discourse.” In Confucian Spirituality, edited by Tu Wei-Ming and Mary Evelyn Tucker, 120–148. New York: Crossroad.
4. Bergson, Henri. 1988. Matter and Memory, Translated by Nancy M. Paul and W. Scott Palmer. New York: Zone Books.
5. Chu Hui. Whole Works of Chu Hui (朱子大全文集) Vol. 46 答劉叔文.