Science Quote by Alan Perlis

Perlis’s line lands like a deadpan punchline, but it’s really an accusation: complexity is rarely an unavoidable property of the world; it’s often a symptom of our failure to choose a good model. Ten parameters isn’t a magic number, it’s a smell. It suggests you’re forcing one procedure to serve multiple responsibilities, or you’re compensating for an unclear abstraction by handing callers a bag of knobs and hoping they’ll tune their way to correctness.

The subtext is almost moral: software design is an exercise in restraint. Every parameter is a tiny contract you ask the future to honor. Multiply those contracts and you get a brittle interface where mistakes become easy, usage becomes non-obvious, and the codebase quietly starts training people to cargo-cult the “right” incantation. Perlis, who helped shape early computer science as a discipline, is pushing back against the mid-century fantasy that programming is just telling machines what to do. It’s also shaping human behavior under constraints of attention, memory, and time.

Context matters: Perlis wrote amid the rise of structured programming and the long argument about how to manage growing systems. His quip belongs to the tradition of aphoristic computing wisdom that treats APIs as literature: the surface form reveals the author’s thinking. A 10-parameter procedure isn’t merely inconvenient; it’s a confession that the design hasn’t found its nouns yet. The “missed some” is the sharpest twist: you didn’t just include too much, you still didn’t capture what actually matters.