Why run and hide?
He felt it was worse to be irresolute than to be wrong. I remember a day in class when he leaned far forward, in his characteristic pose—the pose of a man about to impart a secret—and croaked, "If you don't know how to pronounce a word, say it loud! If you don't know how to pronounce a word, say it loud!" This comical piece of advice struck me as sound at the time, and I still respect it. Why compound ignorance with inaudibility? Why run and hide?
Source: The Elements of Style