"I think there is a new awareness in this 21st century that design is as important to where and how we live as it is for museums, concert halls and civic buildings."
"If we invest in researching and developing energy technology, we'll do some real good in the long run, rather than just making ourselves feel good today. But climate change is not the only challenge of the 21st century, and for many other global problems we have low-cost, durable solutions."
"And then, build a bustling wonderful city of the 21st century, with a restoration of a spectacular skyline, which Manhattan, of course, needs. So, that is really the design as a whole."
"I think that we had a different view of what the 21st century could be like, with much more of a sense, from our perspective, of trying to have an interdependent world: looking at solving regional conflicts, having strength in alliances, operating within some kind of a sense that we were part of the international community and not outside of it."
"I'm sad to report that in the past few years, ever since uncertainty became our insistent 21st century companion, leadership has taken a great leap backwards to the familiar territory of command and control."
"The great paradox of the 21st century is that, in this age of powerful technology, the biggest problems we face internationally are problems of the human soul."
"Our educational system is not preparing people for the 21st Century. Failure is an essential part of entrepreneurship. If you work hard, you can get an 'A' pretty much guaranteed, but in entrepreneurship, that's not how it works."
"Since the beginning of the 21st century, thanks to the concerted efforts of both sides, China-U.S. relationship has on the whole enjoyed steady growth. Since President Obama took office, we have maintained close contact through exchange of visits, meetings, telephone conversations and letters."
"I believe that the rights of women and girls is the unfinished business of the 21st century."
"The Finland of the 21st century can thrive only if women of learning - in common with their male counterparts - are guaranteed the opportunity to use their creative potential to the full."