References:<p>[1] <a href="https://en.wikipedia.org/wiki/Relativity_(M._C._Escher)" rel="nofollow">https://en.wikipedia.org/wiki/Relativity_(M._C._Escher)</a><p>[2] <a href="http://www.npr.org/sections/money/2016/08/03/488611449/episode-715-the-sewing-robot" rel="nofollow">http://www.npr.org/sections/money/2016/08/03/488611449/episo...</a><p>[3] Maslow’s hierarchy of needs – by FireflySixtySeven<p>[4] A theory of Human Motivation – <a href="http://psychclassics.yorku.ca/Maslow/motivation.htm" rel="nofollow">http://psychclassics.yorku.ca/Maslow/motivation.htm</a>