Agrippina’s brother did not care for Seneca, nor for the epigrammatic style in which he spoke. “Sand without lime,” Caligula called those words, drawing an analogy from the building trade, where sand and lime were mixed to make mortar. Seneca’s speeches, to Caligula, seemed to lack solidity—ear-catching phrases strung together without binder to firm them up. (That critique has been repeated, in various forms, ever since. Lord Macaulay echoed it in the 1830s when he wrote: “There is hardly a sentence [in Seneca] which might not be quoted; but to read him straightforward is like dining on
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