english: And I went from what's called real numbers, which are points on a line, to imaginary, complex numbers, which are points on a plane, which is what one should do there, and this shape came out.
non_english: A prešiel som od toho, čo voláme reálne čísla, ktoré sú body na priamke, na imaginárne, komplexné čísla, ktoré sú bodmi na rovine, a to sa malo skúsiť. A vyšiel z toho tento tvar.