The pilcrow, ¶, is a typographical character that marks the start of a paragraph. It is also called the paragraph mark (or sign or symbol), paraph, or blind P.
And I thought that it was easy for me to select some matters which should neither be obnoxious to much controversy, nor should compel me to expound more of my principles than I desired, and which should yet be sufficient clearly to exhibit what I can or cannot accomplish in the Sciences.
The pilcrow may be used at the start of separate paragraphs or to designate a new paragraph in one long piece of copy
The pilcrow was a type of rubrication used in the Middle Ages to mark a new train of thought, before the convention of visually discrete paragraphs was commonplace.