Occam's Razor

The simplest explanation or solution is often the correct one

Occam's Razor is a problem-solving principle that suggests we should always choose the simplest explanation among competing hypotheses, as long as they equally explain the phenomenon in question. In other words, it advocates for parsimony, favoring explanations that require the fewest assumptions. This principle is often paraphrased as "the simplest explanation is usually the best one." The principle is often expressed as "Entities must not be multiplied beyond necessity".

Further Reading

Occam’s Razor: The simplest solution is always the bestThe Interaction Design Foundation

5 Mental Models That Will Take Your Leadership from Good to GreatThe Good Boss

Occam's razorWikipedia