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
Infinity on High top ten, it went on to spend a combined total of twenty-six weeks inside the top twenty and received a Platinum accreditation from the Recording Industry Association of New Zealand (RIANZ) for 15,000 shipments. In the United Kingdom, the album debuted at number three with 64,054 first week sales and made nine weeks in the top twenty, being certified Platinum by the British Phonographic Industry (BPI) for 300,000 units shipped. It went on to sell 446,807 in the UK to date January 2015. The album debuted at number two in Canada with 21,000 first week sales. "Infinity" was certified Platinum