More energy and more concrete measures are also required in developing a great socialist culture in China, cultivating and observing core socialist values and promoting the creative evolution and development of fine traditional Chinese culture, according to Xi.
Pakistani President Mamnoon Hussain said Xi's election shows that the Chinese people are confident of his brilliant leadership. China has made remarkable achievements in the past five years, and Xi's outstanding contribution to world peace and development has been widely praised, he said.
Foreign leaders including Russian President Vladimir Putin sent messages to Xi Jinping on Saturday to congratulate him on his election as China's president.
This year marks the 30th anniversary of the founding of Hainan Province and the Hainan Special Economic Zone, as well as the 40th anniversary of reform and opening-up of the whole country.
Over a history of thousands of years, Chinese people have always held fast to their dreams and made endless efforts, he said, citing ancient Chinese mythology, such as Pangu creating the world, Nyuwa patching up the sky, Fuxi drawing eight diagrams, Shennong tasting herbs, Kuafu chasing the sun, Jingwei filling up the sea and Yugong removing mountains.
"The Party is the highest force for political leadership and the fundamental guarantee of the rejuvenation of the Chinese nation," Xi said.