Give an inch, he'll take an ell. - Thomas Hobbes

And hereby it comes to passe, that Intemperance, is naturally punished with Diseases; Rashness, with Mischance; Injustice; with Violence of Enemies; Pride, with Ruine; Cowardice, with Oppression; Negligent government of Princes, with Rebellion; and Rebellion with Slaughter.

The doctrine of Right and Wrong, is perpetually disputed, both by Pen and the Sword: Whereas the doctrine of Lines, and Figures, is not so; because men care not, in that subject what be truth, as a thing that crosses no mans ambition, profit, or lust. For I doubt not, but if it had been a thing contrary to any mans right of dominion, or to the interest of men that have dominion, That the three Angles of a Triangle, should be equall to two Angles of a Square; that doctrine should have been, if not disputed, yet by the burning of all books of Geometry, suppressed, as far as he whom it concerned was able.

But if it bee well considered, The praise of Ancient Authors, proceeds not from the reverence of the Dead, but from the competition and mutual envy of the Living.