2009 Nobel Peace Prize Obama stated, "I do not view it as a recognition of my own accomplishments but rather an affirmation of American leadership on behalf of aspirations held by people in all nations." "Throughout history, the Nobel Peace Prize has not just been used to honor specific achievement; it's also been used as a means to give momentum to a set of causes," Obama said. "And that is why I will accept this award as a call to action — a call for all nations to confront the common challenges of the 21st century." He said those common challenges included the goal
2010 Nobel Peace Prize who, sometimes with great personal sacrifice, are struggling for freedom and human rights." The Polish foreign ministry said it was appreciative of the decision to award Liu. Japan greeted the award and emphasised the need for respect of human rights, but did not call for Liu's release; Premier Naoto Kan told a parliamentary committee Liu's release was "desirable". The Australian prime minister, Julia Gillard, said Australia was strongly against Liu's imprisonment, and "welcome[d] the fact that his work has been recognised internationally now with the Nobel Peace Prize", while the Australian Greens leader Bob Brown described the decision as "inspiring".