Just as the sentence contains one idea in all its fullness, so the paragraph should embrace a distinct episode; and as sentences should follow one another in harmonious sequence, so paragraphs must fit into another like the automatic couplings of railway carriages.
Winston ChurchillIf you cannot read all your books, at any rate handle them, and, as it were, fondle them. Let them fall open where they will. Make a voyage of discovery, taking soundings of uncharted seas.
Winston Churchill