In the 24-character principle, Deng stressed "never claim leadership". He said China will never claim the leadership, never seek hegemony, never seek sphere of influence, never practice group politics, and never interfere with internal affairs of other countries even if it becomes a strong nation one day. Understanding the sentence completely, one will see "never claim leadership" is the core of China's strategy for development. Based on the strategy, the Chinese leaders of new generation set forth the concept to build a harmonious world.