The most interesting things that come to mind A Fragment by Nabeel Qureshi nabeelqu.co A meta note, inspired both by Proust and by this book about Proust: after reading a book, when you're making notes, don't refer to the book; just write down the most interesting things that come to mind. This is a better way of digging out what actually struck you about the book; as soon as you have the book to reference, you will start looking up the bits you "should" write about, and end up aiming at comprehensiveness rather than interestingness. Your actual criterion should be whatever interested you. Later, you can fill in quotations & references. The Zettelkasten Method notetakingreading
If a book can be summarized, is it worth reading? An Article by Austin Kleon austinkleon.com It is my opinion that if a book’s contents can be adequately “summed up,” so that you really don’t miss anything by reading the summary, it is not actually a book worth reading. (Of course, there’s no way to tell whether a summary is adequate or not unless you have also read the book.) Also, I suspect that the harder you find it to summarize a book you have read, the more valuable it might be. On 'The Master and His Emissary' reading