2 lanterns
"one if by land and two if by sea" (if the British came by land or sea)(was a way to warn people)
this is from the story of Paul Revere...
The statement which paraphrases this excerpt best is the fourth option, "This man, who was smart in school, has grown up to be unintelligent". Brutus, here was exclaiming about what a stupid man the fellow has become, because he was so sharp when he was in school.