“Of course you can judge a book by its cover; moreover, we are obliged to.”
“You CAN judge a book by it's cover!”
“If you cannot judge a book by its cover, surely we should not judge an author by one book alone?”
“You can't judge a book by it's cover but you can sure sell a bunch of books if you have a good one.”
“Don't judge a book by its cover”
“Some people say, ‘Do not judge the book by its cover!’ Well, I say not to judge at all. People can say anything they want to say, but for me, cover does matter.”