Voldemort is playing a very clever game. Declaring himself might have provoked open rebellion. Remaining masked has created confusion, uncertainty, and fear.
J. K. RowlingThey had reached Lockhart's classroom...'You could've fried an egg on your face" said Ron. 'You'd better hope Creevey doesn't meet Ginny, or they'll be starting a Harry Potter fan club.' 'Shut up,' snapped Harry. The last thing he needed was for Lockhart to hear the phrase 'Harry Potter fan club.
J. K. RowlingIt is impossible to live without failing at something, unless you live so cautiously that you might has well not have lived at all, in which case you have failed by default.
J. K. Rowling