+571.+ On the printed page you will often find the asterisk (*), or the
dagger, ([Symbol: dagger]), the section (§), or parallel lines (||),
used to call your attention to some note or remark written at the close
of the paragraph or on the margin, at the bottom of the page or the end
of the chapter. It is advisable to hunt these up as soon as you come to
the mark which indicates their presence, for they usually contain some
matter which explains or adds to the meaning of the sentence which you
have just finished reading.