
For quitting reason, which is the rule given between man and man, and using force, the way of beasts, he becomes liable to be destroyed by him he uses force against, as any savage ravenous beast that is dangerous to his being.
Two Treatises of Government - Página 239 http://books.google.com/books?id=K1UBAAAAYAAJ&pg=PA239, de John Locke - Publicado por Printed for C. and J. Rivington, 1824 - 277 páginas
Segundo Tratado do Governo