"Were marriage no more than a convenient screen for sexuality, some less cumbersome and costly protection must have been found by this time to replace it. One concludes therefore that people do not marry to cohabit; they cohabit to marry. They do not seek freedom to rut so much as they seek the rut of wedlock."

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Certain functions appear so often that it is convenient to give them names. These are collectively called special functions. There are many examples and no single way of looking at them can illuminate all examples or even all the important properties of a single example of a special function.

— Richard Askey