Seneca's theatre for two

One friend is a stage, for Seneca.Satis enim magnum alter alteri theatrum sumus.Indeed, we are a large enough stage for one another.Satis: enough, quiteEnim: for, indeedMagnum: great, large, impressive (agrees with theatrum)Alter … alteri: one … for the other (reciprocal pronouns)Theatrum: theatre (literal), stage, spectacle, audience (metaphorical)Sumus: we are