Apophthegmata Laconica
Plutarch
Plutarch. Moralia, Vol. III. Babbitt, Frank Cole, translator. Cambridge, MA: Harvard University Press; London: William Heinemann Ltd., 1931 (printing).
Teleclus, in answer to the man who said that Teleclus’s father was speaking ill of him, said, If he had had no cause to speak, he would not have spoken.