The thought of past ages has used the conception of a three-dimensional space, and by that means has classified many phenomena and has obtained rules for dealing with matters of great practical utility. The path which opens immediately before us in the... A New Era of Thought - Page 6by Charles Howard Hinton - 1888 - 216 pagesFull view
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Petr Demʹi︠a︡novich Uspenskiĭ - Consciousness - 1922 - 336 pages
...investigate nature and see what phenomena are to be explained by four-dimensional relations. The thought of past ages has used the conception of a three-dimensional...can be found out by this new means of apprehension. . . . For development of knowledge it is necessary to separate the selfelements, ie, the personal elements...