Any technology that is new and innovative cannot be differentiated from magic. This quote is used to explain everything from how the pyramids were made to even computers. This law is fairly controversial with arguments that it is not the technology but its learning which may eb construed as magic by the ignorant.
Diagrams

Originated from/Coined by
Arthur C Clarke
Further Reading/ References
https://en.wikipedia.org/wiki/Clarke%27s_three_laws
https://tvtropes.org/pmwiki/pmwiki.php/Main/ClarkesThirdLaw
https://www.b-list.org/weblog/2007/dec/03/magic/
https://thoughtsfromthedarkness.weebly.com/blog-posts/do-i-believe-in-god-could-you-be-a-bit-more-specific-which-god
