I have not heard the quote from Kaplan, but i have heard Reese's one attributed to Kaplan. However, I have read Reese's quote in a book by reese sometime. I am not sure, but I think the quote may just be Reese's and word of mouth has got it wrong.
The only other thing I would add to Ed's reply is that we now have all major authorities accepting that one occasion does not
make an agreement.