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
The Book of Taliesyn band's singer Rod Evans are very functional to the music and the marketing Deep Purple's record label was building up for the American hippie audience. Evans took inspiration for the fantasy-themed "Listen, Learn, Read On", which contains lyrical reference to the album's title, from the 14th-century Welsh manuscript Book of Taliesin, a collection of poems attributed to the 6th-century poet Taliesin. The title and cover art of the album were also inspired by the manuscript. Instead psychedelia and its rituals play a large part in the lyrics of "Shield". Simper thinks that Evans' lyrics are "far better than anything (...)