Arguably, humans are 4-dimensional beings living in a 4-dimensional world—it’s just that one of the dimensions is accessible with much fewer degrees of freedom.
(Not unlike how a seemingly 2-dimensional world of a top-down FPS is actually 3-dimensional, you just have to follow way more rules when it comes to moving in the third one.)
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Arguably, humans are 4-dimensional beings living in a 4-dimensional world—it’s just that one of the dimensions is accessible with much fewer degrees of freedom.
(Not unlike how a seemingly 2-dimensional world of a top-down FPS is actually 3-dimensional, you just have to follow way more rules when it comes to moving in the third one.)