Lucian Of Samosata. Ignorant who bought a lot of books (№ 437428)

And, most importantly, you do not get the best at all, but you trust people who praise what you have to; you are a godsend for these book swindlers and a treasure trove for the booksellers. And how could you tell an old book of great value from rubbish? Will you only come to such a conclusion on the basis of how much the book is eaten and worn out, and invite a moth to study as an adviser?