Regum et imperatorum apophthegmata
Plutarch
Plutarch. Moralia, Vol. III. Babbitt, Frank Cole, translator. Cambridge, MA: Harvard University Press; London: William Heinemann Ltd., 1931 (printing).
When he was twice victorious in conflict with the Romans, but lost many of his friends and commanders, he said, If we are victorious over the Romans in one more battle, we are lost! [*](The details may be found ibid. chap. xxii. (397 B). The Pyrrhic victory is like the Cadmean victory, Moralia, 10 A.)