A Quote by J. Allen Hynek
I have begun to feel that there is a tendency in 20th Century science to forget that there will be a 21st Century science, and indeed a 30th Century science, from which vantage points our knowledge of the universe may appear quite different than it does to us. We suffer, perhaps, from temporal provincialism, a form of arrogance that has always irritated posterity.
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The 21st century is the century of knowledge. Knowledge, science and education will have the power and strength to embrace the entire universe.
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 greatest achievements in the science of this [twentieth] century are themselves the sources of more puzzlement than human beings have ever experienced. Indeed, it is likely that the twentieth century will be looked back at as the time when science provided the first close glimpse of the profundity of human ignorance. We have not reached solutions; we have only begun to discover how to ask questions.
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.
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.
Computer science teaches and nurtures the type of thinking that 21st century citizens will need to address 21st century issues. We cannot know with any certainty what those challenges will be, but we can arm our students with the tools needed to address them.
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.
It is time to create new social science departments that reflect the breadth and complexity of the problems we face as well as the novelty of 21st-century science. These would include departments of biosocial science, network science, neuroeconomics, behavioral genetics and computational social science.
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.
Leadership is the great challenge of the 21st century in science, politics, education, and industry. But the greatest challenge in leadership is parenting. We need to do more than just get our enterprises ready for the challenges of the twenty-first century. We also need to get our children ready for the challenges of the 21st century.
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.
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.
Given that the nineteenth century was the century of Socialism, of Liberalism, and of Democracy, it does not necessarily follow that the twentieth century must also be a century of Socialism, Liberalism and Democracy: political doctrines pass, but humanity remains, and it may rather be expected that this will be a century of authority ... a century of Fascism. For if the nineteenth century was a century of individualism it may be expected that this will be the century of collectivism and hence the century of the State.
Polymeric materials in the form of wood, bone, skin and fibers have been used by man since prehistoric time. Although organic chemistry as a science dates back to the eighteenth century, polymer science on a molecular basis is a development of the twentieth century.
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 20th century was the century of war and blood. The 21st century is the century of dialogue.
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