The longer mathematics lives the more abstract - and therefore, possibly also the more practical - it becomes.
E. T. Bell

The mastery of the turn is the story of how aviation became practical as a means of transportation. It is the story of how the world became small.
William Langewiesche

The moment is ripe for an experienced businessman to talk practical, prudent economics to the electorate - which is why Mitt Romney's political fortunes are steadily being resurrected from the grave.
Camille Paglia

The moral and spiritual aspects of both personal and international relationships have a practical bearing which so-called practical men deny.
Henry A. Wallace

The most practical kind of politics is the politics of decency.
Theodore Roosevelt

The new always happens against the overwhelming odds of statistical laws and their probability, which for all practical, everyday purposes amounts to certainty; the new therefore always appears in the guise of a miracle.
Hannah Arendt

The only objects of practical reason are therefore those of good and evil. For by the former is meant an object necessarily desired according to a principle of reason; by the latter one necessarily shunned, also according to a principle of reason.
Immanuel Kant

The possibility of a scientific treatment of history means a wider experience, a greater maturity of practical reason, and finally a fuller realization of certain basic ideas regarding the nature of life and time.
Muhammed Iqbal

The practical effect of a belief is the real test of its soundness.
James Anthony Froude

The purpose of this study is to offer a logical, practical, pragmatic proof of the existence of God from a purely scientific perspective.
John Clayton

The question of armaments, whether on land or sea, is the most immediately and intensely practical question connected with the future fortunes of nations and of mankind.
Woodrow Wilson

The relation between practical and spiritual spheres in music is obvious, if only because it demands ears, finger, consciousness and intellect.
Luciano Berio

The science of politics is the one science that is deposited by the streams of history, like the grains of gold in the sand of a river; and the knowledge of the past, the record of truths revealed by experience, is eminently practical, as an instrument of action and a power that goes to making the future.
Lord Acton

The self thus becomes aware of itself, at least in its practical action, and discovers itself as a cause among other causes and as an object subject to the same laws as other objects.
Jean Piaget

The sensors have many potential practical uses - in Government buildings, train carriages, cargo containers, on a soldier's lapel - and are a thousand times cheaper than current sensors that are used for the same purpose.
Anne Campbell

The spirit of logical analysis should in practice blend with the practical pressure for the adoption of some form of international language, but it should not allow itself to be stampeded by it.
Edward Sapir

The spiritual is the parent of the practical.
Thomas Carlyle

The study and knowledge of the universe would somehow be lame and defective were no practical results to follow.
Marcus Tullius Cicero

The theoretical understanding of the world, which is the aim of philosophy, is not a matter of great practical importance to animals, or to savages, or even to most civilised men.
Bertrand Russell

The thing is, I'm a very practical filmmaker.
Stanley Tucci