Note 1 — LETTER TO EUSEBIUS.
Reading edition
It is a dangerous thing to touch upon chronology. It is said of the great Duke of Marlborough, that in a conversation respecting the first introduction of cannon, he quoted Shakspeare to prove that it was in the reign of John.
"O prudent discipline from north to south, Austria and France shoot in each other's mouth."
Yes, said his adversary, but you quote Shakspeare, not history.