ARMADO: Arts-man, preambulate; we will be singuled from the barbarous. (5.1.32)
Much to Holofernes's chagrin, Armado includes himself in the club of the educated. Besides, its humorous that Armado calls him "Arts-man."
ROSALINE: To weed this wormwood from your fruitful brain… You shall this twelvemonth term from day to day Visit the speechless sick…(5.2.384)
Rosaline has no doubt about the sharpness of Berowne's intellect, but believes he needs a little moral education.