To read with purpose, as suggested by educational guides , you should:

In an era of doom-scrolling and 280-character insights, the deep, focused reading required to truly master a subject is becoming a lost art. Originally published in 1940 and updated in 1972, Mortimer J. Adler and Charles Van Doren’s How to Read a Book remains the gold standard for anyone looking to transition from passive consumption to active, intelligent reading.

Can you summarize the entire book in a single sentence?