Gallic War

He therefore determined to send embassadors to Ariovistus to demand of him to name some intermediate spot for a conference between the two, [saying] that he wished to treat him on state-business and matters of the highest importance to both of them. To this embassy Ariovistus replied, that if he himself had had need of any thing from Caesar, he would have gone to him; and that if Caesar wanted any thing from him he ought to come to him. That, besides, neither dare he go without an army into those parts of Gaul which Caesar had possession of, nor could he, without great expense and trouble, draw his army together to one place; that to him, moreover, it appeared strange, what business either Caesar or the Roman people at all had in his own Gaul, which he had conquered in war.