If we're to have a future in the 21st century, we'll want to be able to say, "Now what was the 20th century like in the United States of America, the most powerful of all countries of that century? What was it like to be an ordinary person?"
That's a chapter - the last chapter - of the 20th ... 20th ... the 21st century that most of us would rather forget. The last chapter of the 20th century. This is the first chapter of the 21st century.
A stable 21st century society requires 21st century solutions not 20th century economics
I think future generations will say the late 20th century and the early 21st century was a time of great convulsions and upheavals.
India is the Saudi Arabia of human resources for the 21st century. The power that we used to get from oil in 20th century, we will get it from people like you in 21st century.
The 19th century was a century of empires, the 20th century was a century of nation states. The 21st century will be a century of cities.
The 20th century taught us how far unbridled evil can and will go when the world fails to confront it. It is time that we heed the lessons of the 20th century and stand up to these murderers. It is time that we end genocide in the 21st century.
The Internet in the 21st Century is as important to our future as highways were in the 20th Century. Like a highway, the Internet must remain free and open for all - not determined by the highest bidders.
The 19th century was the century of empires, the 20th was the century of nation states, and the 21st is the century of cities and mayors.
It is my opinion that the 21st century will be the century of play, and the heteroglossic activity of artists in the 20th century has been the forecast.
The 20th century was the time when the world turned to use of fossil fuels and the 21st century will be the century of the renewables.
The 20th century was the century of war and blood. The 21st century is the century of dialogue.
I tend to read mostly 20th-century fiction, 20th-, 21st-century fiction in Italian.
String theory is 21 st century physics that fell accidentally into the 20th century.
With the sole exception of President Bill Clinton, whose 'bridge to the 21st century' evoked the vision and optimism of other great Democratic presidents of the 20th century, such as FDR and John F. Kennedy, pessimism about America's economic future has been the hallmark of modern progressivism.
One layer was certainly 17th century. The 18th century in him is obvious. There was the 19th century, and a large slice, of course, of the 20th century; and another, curious layer which may possibly have been the 21st.