Nietzsche said something similar, I believe he advocated picking 100 books and just reading them deeply, thus curating by not reading every junk book that came

Nietzsche said something similar, I believe he advocated picking 100 books and just reading them deeply, thus curating by not reading every junk book that came along. But can't find the quote where he said that, or his list. Does anybody have a link to Nietzsche's reading list? It seems it is hard to find things on the internet lately.