“The sixth rule can be expressed thus: “RULE 6. **MARK THE MOST IMPORTANT SENTENCES** IN A BOOK AND DISCOVER THE PROPOSITIONS THEY CONTAIN.” ([Location 1775](https://readwise.io/to_kindle?action=open&asin=B004PYDAPE&location=1775) --- **Tags** -- [[quotes]], [[analytical-reading]], [[reading-books]] **Source** -- [[20250103084100 - B - How to Read a Book]]