Letters of Pliny the Younger

A new edition of the letters - Epistulae - of Pliny, or Plinius as we spell it has just come out, and as it is available in e-format, I downloaded it immediately.
I like to write letters myself and I am enjoying immensely these fine letters written during the first century AD. We humans are the same, but I think that there is one difference, and that is the natural self-confidence of a Roman politician, judge and author. I don't think you can find the same attitude anywhere today.