Hu Jintao "paramount leader", thus retaining military power. Western observers attribute a sense of caution to Hu's philosophies, citing China's recent history of fallen heirs. Deng Xiaoping appointed three party General Secretaries, all designed to be successors, and was instrumental in the ousting of two of them, Hu Yaobang and Zhao Ziyang. His third and final selection, Jiang Zemin, won Deng's continued, although ambiguous, backing and was the only General Secretary in Communist Chinese history to voluntarily leave his post when his term ended. Although many believe Hu was originally hand-picked by Deng as the youngest member of China's top leadership and
Hu Jintao four times (2008, 2007, 2005 and 2004) on the Time 100 annual list of most influential people. Political observers indicate that Hu distinguished himself from his predecessor in both domestic and foreign policy. Hu's political philosophy during his leadership is summarized by three slogans — a "Harmonious Socialist Society" domestically and "Peaceful Development" internationally, the former aided by the Scientific Development Concept, which seeks integrated sets of solutions to arrays of economic, environmental and social problems, and recognizes, in inner circles, a need for cautious and gradual political reforms. The Scientific Development doctrine has been written into the Communist Party