Being a teacher (and and English/History teacher at that), I tend to have a wide array of quotes that I bring forth often.
I found a few in my 'quote of the week' file - could be a 'who said this' sort of trivia question:
The pen is the tongue of the mind. (Cervantes)
Dancing in all its forms cannot be excluded from the curriculum of all noble education; dancing with the feet, with ideas, with words, and, need I add that one must also be able to dance with the pen? (Nietzche) (probably spelled incorrectly)
Beneath the rule of men entirely great, the pen is mightier than the sword. (Edward George Bulwer Lytton - now that's a mouthful!) - although Euripides said 'the tongue is mightier than the blade, so he might be first!)