What did Abe really say?
Was it this?
"The things I want to know are in books; my best friend is the man who'll get me a book I ain't read." ~ Abraham Lincoln, Finest Quotes
Or was it this?
“The things I want to know are in books. My best friend is the man who'll get me a book I haven't read.” ~ Abraham Lincoln, goodreads
Maybe it really was this.
"Denny, the things I want to know is in books. My best friend’s the man who’ll get me one.” ~Abraham Lincoln, evidenceanecdotal
This last link is to a blog that indicates that the quote comes as a recollection from Abraham Lincoln's older cousin, Dennis Friends Hank, when he was 90 years old. They both loved books.