If it is the subject matter of the book we are interested in,and not just the author,we want to know not merely what the positions are,but why.
To be honest,I never want to seek its theme and why,just to read and think.
Sentences and paragraphs are grammatical units .They are units of language.Propositions and arguments are logical units,or units of thought and knowledge.
Here are the rules I think they are probably useful.
A proof that the great books are most readable,and a marshaling of evidence to show that the schools have failed to teach the arts and writing
How does one locate themost important sentences in abook?
Apart from books whose style or format calls attention to what most needs interpretation by the reader,the spotting of sentences is a job the reader must perform for himself.
Another clue to the important sentences is found in the words which compose them.
difference between finding the terms
The third rule requires the reader to deal with collections of sentences.The reader should find the most important paragraphs.
let us listen to the author.
Good and bad writers