David Spiegelhalter is the Winton professor for the public understanding of statistics at the University of Cambridge. Statistics are based on probability. Here's what he said about that:
“Humans are very bad at understanding probability. Everyone finds it difficult, even I do.”
(Read the full article on Quartz.)
Andrew A. (Andy) Jawlik is the author of the book, Statistics from A to Z -- Confusing Concepts Clarified, published by Wiley.