Thucydides,
History of the Peloponnesian War…
“ Or, are we waiting until we be taken in detail, one city after another; knowing as we do that in no other way can we be conquered, and seeing that they turn to this plan, so as to divide some of us by words, to draw some by the bait of an alliance into open war with each other, and to ruin others by such flattery as different circumstances may render acceptable? And do we fancy when destruction first overtakes a distant fellow countryman that the danger will not come to each of us also, or that he who suffers before us will suffer in himself alone? ”
