The Epicurus quote is from Seneca's letter 19: https://en.wikisource.org/wiki…ers_to_Lucilius/Letter_19 Ut se res habet, ab Epicuro versura facienda est. 'Ante' inquit 'circumspiciendum est cum quibus edas et bibas quam quid edas et bibas; nam sine amico visceratio leonis ac lupi vita est.' Google translate: As things stand, the verses must be made by Epicurus. 'Before,' he says, 'it is necessary to consider with whom you eat and drink, rather than what you eat and drink; for without a friend th…