What kind of books was he refering to? Books that wound or stab one group of people are welcomed and blessing for others. So to say we should only read one kind of books is being narrow-minded.
-- MarcAnkhRaa
I think Kafka means that we should read books that challenge our prejudices, force us to confront our long held beliefs, and tear down our illusions -- we should be encouraged to face hard truths. -- E Archer, NYC