Sun Tzu The name Sun Wu does appear in later sources such as the "Shiji" and the "Wu Yue Chunqiu", but were written centuries after Sun Tzu's era. The use of the strips in other works however, such as "The Methods of the Sima" is considered proof of Sun Tzu's historical priority. According to Ralph Sawyer, it is very likely Sun Tzu did exist and not only served as a general but also wrote the core of the book that bears his name. It is argued that there is a disparity between the large-scale wars and sophisticated techniques detailed in the text
Tzu Chi Chi International Medical Association (TIMA) and also the Tzu Chi Collegiate Youth Association (Tzu Ching) (慈濟大專青年聯誼會 (慈青)), Tzu Chi volunteers and relief workers are mostly recognizable worldwide by their blue and white uniforms called, in , "lántiān báiyún", ( lit. 'blue sky, white clouds'). The foundation's work includes medical aid, disaster relief, and environmental work such as recycling. While Tzu Chi has a policy of being secular in its humanitarian work, Dharma teachings are often integrated into its practices for volunteers. Cheng Yen is considered to be one of the "Four Heavenly Kings" of Taiwanese Buddhism, and Tzu Chi itself