Eastern philosophy
The "Dao De Jing" ("Tao-Te-Ching," c. 4th century BCE), traditionally attributed to Laozi, and the "Nan Hua Jing" ("Zhuang Zi") are considered the key texts of the tradition. The first organized form of Taoism, the Tianshi (Celestial Masters') school arose in the 2nd century CE. Xuanxue ("deep learning", also "Neo-Taoism") was a major philosophical movement influenced by Confucian scholarship, which focused on the interpretation of the "Yijing," "Daodejing," and "Zhuangzi" and which flourished during the third to sixth centuries CE. The most important philosophers of this movement were He Yan, Wang Bi, the Seven Sages of the Bamboo Grove, Ge Hong and Guo Xiang. Thinkers like He Yan and Wang Bi focused on the deep nature of Tao, which they saw as being best exemplified by the term "Wu" (nothingness, non-being, negativity).
Russia
Russian philosophy blossomed in the 19th century, when it was defined initially by the opposition of Westernizers, who advocated Western political and economical models, and Slavophiles, who insisted on developing Russia as a unique civilization. The latter group includes Nikolai Danilevsky and Konstantin Leontiev, the founders of eurasianism. In its further development Russian philosophy was always marked by a deep connection to literature and interest in creativity, society, politics and nationalism; Russian cosmism and religious philosophy were other major areas. Notable philosophers of the late 19th and the early 20th centuries include Vladimir Solovyev, Sergei Bulgakov, and Vladimir Vernadsky.