Polybius, The Histories of Polybius, Vol…
“ Were they not all the Greeks? But with whom are you now united, or to what kind of federation are you now inviting this people? Is it not to one with the foreigner? A mighty similarity exists, no doubt, in your minds, and no diversity at all! Then you were contending for glory and supremacy with Achaeans and Macedonians, men of kindred blood with yourselves, and with Philip their leader; now a war of slavery is threatening Greece against men of another race, whom you think to bring against Philip, but have really unconsciously brought against yourselves and all Greece. ”
