Pair Rule

Famous quotes containing the words pair and/or rule:

“Not the less does nature continue to fill the heart of youth with suggestions of his enthusiasm, and there are now men,—if indeed I can speak in the plural number,—more exactly, I will say, I have just been conversing with one man, to whom no weight of adverse experience will make it for a moment appear impossible, that thousands of human beings might exercise towards each other the grandest and simplest of sentiments, as well as a knot of friends, or a pair of lovers.”
—Ralph Waldo Emerson (1803–1882)

“As a rule we develop a borrowed European idea forward, and ... Europe develops a borrowed American idea backwards.”
—Mark Twain [Samuel Langhorne Clemens] (1835–1910)