When it is necessary to lie, lie. For we want the same thing, liars and those who tell the truth; some lie to win credence and advantage by lies, while others tell the truth in order to obtain some advantage by the truth and to be more trusted; thus we approach the same ends by different means. [5] If the hope of advantage were taken away, the truth-teller would be as ready to lie as the liar to tell the truth. Now if any of the watchmen willingly let us pass, it will be better for him later. But