Why Racket? Why Lisp?

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Lisp is a language most program­mers have heard of, for two reasons. Seibel echoes Graham’s claim: “You’ll get more done, faster, using [Lisp] than you would using pretty much any other language.” Ulti­mately, he sums up the appeal of Lisp by describing it as “the program­mable program­ming language.”

Source: beautifulracket.com