In this video, Professor Moriarty expresses regrets — six minutes and fifty seconds of regrets — for some of his past actions, especially as they pertain to entropy:
Professor Moriarty is now a professor of physics at the University of Nottingham. His Blunt, Sharp treatise on coercion enjoyed a European vogue:
BLUNT, M.O., MARTIN, C.P., AHOLA-TUOMI, M., PAULIAC-VAUJOUR, E., SHARP, P., NATIVO, P., BRUST, M. and MORIARTY, P.J., 2007. “Coerced mechanical coarsening of nanoparticle assemblies,” Nature Nanotechnology, 2(3), 167-170.
BONUS: Professor Moriarty is not—repeat not— fictional. Yet he is undoubtedly all too familiar with the following literary passage:
“You have probably never heard of Professor Moriarty?” said he.
“Aye, there’s the genius and the wonder of the thing!” he cried…. “He is a man of good birth and excellent education, endowed by nature with a phenomenal mathematical faculty. At the age of twenty-one he wrote a treatise upon the binomial theorem, which has had a European vogue. On the strength of it he won the mathematical chair at one of our smaller universities…”