Historical clue formulations

• "Every man will be ___ if he can": Thoreau — 2012-04-28
• "___ can survive everything but a misprint": Oscar Wilde — 2009-12-27
• "I'm ___ and didn't know it" — 2008-07-09
• "You're ___ and don't even know it" — 2005-06-01
• Cocteau's "The Blood of _____" — 1995-05-15