This is what I call real serendipity! I was searching for this quote from the Tipitaka, and could not remember where to find it. After spending half an hour leafing through files and books, I felt I had to relax a bit and have a look at The Dhamma Wheel. And there I found just the quote I was looking for, in your signature:
Pubbe cāhaṃ bhikkhave, etarahi ca dukkhañceva paññāpemi, dukkhassa ca nirodhaṃ. (M.22)
Both formerly, monks, and now, it is just suffering that I make known and the ending of suffering.
Wonderful! Thanks a lot!