Infinity symbol in bookbinding to indicate that a book is printed on acid-free paper and will therefore be long-lasting. In modern mysticism, the infinity symbol has become identified with a variation of the ouroboros, an ancient image of a snake eating its own tail that has also come to symbolize the infinite, and the ouroboros is sometimes drawn in figure-eight form to reflect this identification, rather than in its more traditional circular form. In the works of Vladimir Nabokov, including "The Gift" and "Pale Fire", the figure-eight shape is used symbolically to refer to the Möbius strip and the infinite, for instance
The Infinity Infinity II. One of the towers, the Infinity I, rises and contain 37 floors. The taller highrise, the Infinity II, rises and contain 42 floors. The 650-unit complex containing these four buildings is bounded by Main Street to the southwest, Folsom Street to the northwest and Spear Street to the northeast. The complex is one block inland from the Embarcadero and the San Francisco Bay. Pricing for the units range from $700k-$5 million. 300 Spear was originally designed by San Francisco's Heller Manus Architects. The 820-unit complex featured a garden on top of the midrise towers and all four buildings