...cumstance originated the proverb of choosing a tree to hang oneself . I cannot refrain from quoting the words of Cato the censor, which are so pertinent to this point. It appears from them, that even Cato , who wrote commentaries on military discipline , and who had learned the military art under Africanus, or rather under Hannibal (for he could not endure Africanus , who, when he was his general, had ...