Julius Caesar,
Commentaries on the Gallic War…
“ When Caesar sent embassadors to them, to demand that they should give up to him those who had made war against him and against Gaul, they replied, "That the Rhine bounded the empire of the Roman people; if he did not think it just for the Germans to pass over into Gaul against his consent, why did he claim that any thing beyond the Rhine should be subject to his dominion or power?" ”
