Erasmus’ triologism to describe Seneca as a dyed in the wool Stoic.  I prefer the alliteration of ‘double-dyed’.

‘Seneca, that double-dyed Stoic.’

Source: Desiderius Erasmus (1469-1536), Praise of Folly, trans. Roger Clarke (Richmond: Oneworld Classics, 2008 (1511)), p. 36