KISS principle

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The KISS principle (acronym for "Keep It Simple, Stupid") states that design simplicity should be a key goal and unnecessary complexity avoided. It serves as a useful principle in a wide array of disciplines, such as software development, animation, engineering, and strategic planning. Common variants of the acronym include: "Keep It Simple & Stupid", "Keep It Sweet & Simple", and "Keep It Short & Simple". The form "Keep It Simple, Silly" is sometimes used in situations (for example, explaining the phrase to children) where "stupid" is too harsh.

Complexity should, very simply, be avoided: simplicity becomes a goal in itself. Extra features are not needed; an approach that seems "too easy to be true" is in fact the best way; a very straightforward approach may seem less glamorous and less dramatic but that trivial approach should indeed be taken; surprisingly the very obvious approach is often best.

Related concepts
The principle is somewhat similar to Albert Einstein's maxim that "everything should be made as simple as possible, but no simpler".

Mistral's commitment:

"Bringing the benefits of computerisation to our industry - without the historically associated problems."