Who first said 'The pen is mightier than the sword'?

Tribute cartoons to the journalists at Charlie Hebdo compare pencils with guns, writers with fighters - it's also why some demonstrators are holding pens and pencils in the air. Many of the cartoons assert that "the pen is mightier than the sword". But where does this idea originate? The English words "The pen is mightier than the sword" were first written by novelist and playwright Edward Bulwer-

[daybeforeyesterday]

うーむ

[admiralHH]

流行作家が書いたキャッチーな台詞ってこと(ちなみに彼の孫はリットン調査団の団長)

[timetrain]

まあ、元の意味を失った言葉なんていっぱいあるわけですし……

[kazutox]

「ペンは剣より強し」と言ったのはEdward Bulwer-Lyttonだが、似たようなことを言った人は歴史上いろいろいる