Famous quotes containing the words unknown and/or quantity:
“I was a closet pacifier advocate. So were most of my friends. Unknown to our mothers, we owned thirty or forty of those little suckers that were placed strategically around the house so a cry could be silenced in less than thirty seconds. Even though bottles were boiled, rooms disinfected, and germs fought one on one, no one seemed to care where the pacifier had been.”
—Erma Bombeck (20th century)
“If we take in our hand any volume; of divinity or school metaphysics, for instance; let us ask, Does it contain any abstract reasoning concerning quantity or number? No. Does it contain any experimental reasoning, concerning matter of fact and existence? No. Commit it then to flames: for it can contain nothing but sophistry and illusion.”
—David Hume (1711–1776)