Sun Tzu during the middle to late Warring States period (c. 481–221 BC). Finally, a third school claims that the slips were published in the last half of the 5th century BC; this is based on how its adherents interpret the bamboo slips discovered at Yinque Shan in 1972 AD. "The Art of War" is traditionally ascribed to Sun Tzu. It presents a philosophy of war for managing conflicts and winning battles. It is accepted as a masterpiece on strategy and has been frequently cited and referred to by generals and theorists since it was first published, translated, and distributed internationally. There
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