You see these dictators on their pedestals, surrounded by the bayonets of their soldiers and the truncheons of their police ... yet in their hearts there is unspoken fear. They are afraid of words and thoughts: words spoken abroad, thoughts stirring at home -- all the more powerful because forbidden -- terrify them. A little mouse of thought appears in the room, and even the mightiest potentates are thrown into panic.
Winston ChurchillJust 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 Churchill