The line is Frailty thy name is woman, NOT vanity and it is from Hamlet.
none, only men could be in plays during the time that Shakespeare was around.
The Comedy of Errors is about two sets of identical twins. Twelfth Night is also about twins.
Yes, I can. So can you, probably, if you think about it, but if not, check the related question.
The Comedy of Errors is the shortest Shakespearean play, with 1,777 lines.
Ophelia