They have likewise discovered two lesser stars, or satellites, which revolve around Mars, whereof the innermost is distant from the center of the primary exactly three of his diameters, and the outermost five: the former revolves in the space of ten hours, and the latter in twenty-one and a half, so that the squares of their periodical times are very near in the same proportion with the cubes of their distances from the center of Mars; which evidently shows them to be governed by the same Law of Gravitation that influences the other heavenly bodies.
Jonathan SwiftHereditary right should be kept sacred, not from any inalienable right in a particular family, but to avoid the consequences that usually attend the ambition of competitors.
Jonathan SwiftWould a writer know how to behave himself with relation td posterity? Let him consider in old books what he finds that he is glad to know, and what omissions he most laments.
Jonathan SwiftThere are certain common privileges of a writer, the benefit whereof, I hope, there will be no reason to doubt; particularly, that where I am not understood, it shall be concluded, that something very useful and profound is couched underneath; and again, that whatever word or sentence is printed in a different character, shall be judged to contain something extraordinary either or wit of sublime.
Jonathan Swift