Sham Harga had run a successful eatery for many years by always smiling, never extending credit, and realizing that most of his customers wanted meals properly balanced between the four food groups: sugar, starch, grease, and burnt crunchy bits.
Terry Pratchett...it is well known that a vital ingredient of success is not knowing that what you're attempting can't be done.
Terry PratchettGive anyone a lever long enough and they can change the world. It's unreliable levers that are the problem.
Terry PratchettUnseen University was much bigger on the inside. Thousands of years as the leading establishment of practical magic in a world where dimensions were largely a matter of chance in any case had left it bulging in places where it shouldn't have places. There were rooms containing rooms which, if you entered them, turned out to contain the room you'd started with, which can be a problem if you are in a conga line.
Terry Pratchett