Richard Dawkins is advertizing his latest t-shirt which is to read...
That is correct the t-shirt is being advertised as:
NEW! The God Delusion T-Shirt with what is perhaps the book's most famous quote:
"The God of the Old Testament is arguably the most unpleasant character in all fiction: jealous and proud of it; a petty, unjust, unforgiving control-freak; a vindictive, bloodthirsty ethnic cleanser; a misogynistic, homophobic, racist, infanticidal, genocidal, filicidal, pestilential, megalomaniacal, sadomasochistic, capriciously malevolent bully."