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Use "swiftness" in a sentence
"Here are the swiftness of the rapid race, and the march of slow-paced majesty, exhibited by the same poet in the same sequence of syllables, except that the exact prosodist will find the line of _swiftness_ by one time longer than that of _tardiness_."
"2 The Athenians are addicted to innovation, and their designs are characterized by swiftness alike in conception and execution; you have a genius for keeping what you have got, accompanied by a total want of invention, and when forced to act you never go far enough."
"The name may be connected withgandharvva, “a horse,” associated with swiftness, which is also implied by her wings."