Who says Can't repeat the pastWhy of course you can in the Great Gatsby?

In the Scribner edition that I have (which I believe to be the most common edition of the book) it is on page 110.

If you do not have the same edition, it should be somewhat around the 110th page, unless you have large print. In that case, my book is around 180 pages, so 110/180. Apply the ratio to your book. This is an approximate estimate.

Found it in my book on the bottom of page 116 (Different edition of the Scribner publisher)