A Quote by Robert L. Devaney

It has been said that the three great develpments in twentieth century science are relativity, quantum mechanics, and chaos. That strikes me the same as saying that the three great developments in twentith century engineering are the airplane, the computer, and the pop-top aluminum can. Chaos and fractals are not even twentieth century ideas: chaos was first observed by Poincare and fractals were familiar to Cantor a century ago, although neither man had the computer at his disposal to show the rest of the world the beauty he was seeing.
There are three great themes in science in the twentieth century : the atom, the computer, and the gene.
The humanities and science are not in inherent conflict but have become separated in the twentieth century. Now their essential unity must be re-emphasized, so that twentieth-century multiplicity may become twentieth-century unity.
It has become part of the accepted wisdom to say that the twentieth century was the century of physics and the twenty-first century will be the century of biology.
The nineteenth century planted the words which the twentieth century ripened into the atrocities of Stalin and Hitler. There is hardly an atrocity committed in the twentieth century that was not foreshadowed or even advocated by some noble man of words in the nineteenth.
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.
Because the twentieth century was a century of violence, let us make the twenty-first a century of dialogue.
Today's Uncle Tom doesn't wear a handkerchief on his head. This modern, twentieth-century Uncle Thomas now often wears a top hat. He's usually well-dressed and well-educated. He's often the personification of culture and refinement. The twentieth-century Uncle Thomas sometimes speaks with a Yale or Harvard accent. Sometimes he is known as Professor, Doctor, Judge, and Reverend, even Right Reverend Doctor. This twentieth-century Uncle Thomas is a professional Negro -by that I mean his profession is being a Negro for the white man.
Modernism really started with people getting infatuated with the idea of "it's the twentieth century, is this suitable for the twentieth century." This happened before the First World War and it wasn't just the soldiers. You can see it happening if you read the Bloomsbury biographies. It was a reaction to a great extent against Victorianism. There was so much that was repressive and stuffy. Victorian buildings were associated with it, and they were regarded as very ugly. Even when they weren't ugly, people made them ugly. They were painted hideously.
The great crimes of the twentieth century were committed not by money-grubbing capitalists but by dedicated idealists. Lenin, Stalin, and Hitler were contemptuous of money. The passage from the nineteenth to the twentieth century has been a passage from considerations of money to considerations of power.
The twentieth century had produced a literature in Ireland that kept a tense distance from the sources of faith - and for good reason. Irish writing had suffered a terrible censorship in the twentieth century.
[Heisenberg's seminal 1925 paper initiating quantum mechanics marked] one of the great jumps—perhaps the greatest—in the development of twentieth century physics.
The thriller is the cardinal twentieth-century form. All it, like the twentieth century, wants to know is: Who's Guilty?
The twentieth century must be a century of the Blessed Sacrament if it means to be a century of resurrection and of life
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.
Film is more than the twentieth-century art. It's another part of the twentieth-century mind. It's the world seen from inside. We've come to a certain point in the history of film. If a thing can be filmed, the film is implied in the thing itself. This is where we are. The twentieth century is on film. You have to ask yourself if there's anything about us more important than the fact that we're constantly on film, constantly watching ourselves.
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