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CICERO (106-43 B.C.)

Cicero, Marcus Tullius, 106-43 B.C., Roman consul, orator and writer. His writings are regarded as as a model of Latin prose. Collins English Dictionary
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From the souvenir book of the 15th IVU World Vegetarian Congress, India, 1957 (uncorroborated):

CICERO (106-43 B.C.) the greet Roman Orator and Statesman :

"Man is destined to a better occupation than that of pursuing and cutting the throat of dumb creatures."

" Nothing cruel is useful or expedient."