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.
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 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.
A stable 21st century society requires 21st century solutions not 20th century economics
The 20th century was the century of war and blood. The 21st century is the century of dialogue.
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.
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.
D-Day represents the greatest achievement of the american people and system in the 20th century. It was the pivot point of the 20th century. It was the day on which the decision was made as to who was going to rule in this world in the second half of the 20th century. Is it going to be Nazism, is it going to be communism, or are the democracies going to prevail?
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.
Every single great idea that has marked the 21st century, the 20th century and the 19th century has required government vision and government incentive.
The 19th century belonged to England, the 20th century belonged to the U.S., and the 21st century belongs to China. Invest accordingly.
We cannot meet 21st Century challenges with a 20th Century bureaucracy.
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?"
We will pay a heavy price if we insist on navigating the 21st century with a 20th century mindset.