Self-cultivation disciplines both body and mind, builds character and inner strength, curbs willfulness, and draws out the fullest potential of a person. It is central to Confucian educational process, Taoist psychosomatic training, Buddhist praxis based on precepts, contemplation, and wisdom, and the arts whether it be calligraphy, archery, painting, tea ceremony, floral arranging, or other cultural achievements.
— Taitetsu Unno, River of Fire, River of Water