“A teacher never really knows how many lives she has touched. Some students tell her. Most never do.”Every Teacher’s Day, I receive messages.Some are simple.“Happy Teacher’s Day, Ma’am.”Some come with old photographs.And then there are those messages that make me stop for a moment.A student once wrote,“Ma’am, you probably don’t remember this, but you said something to me when I was in school. I still remember it.”I didn't remember saying it.But she did.And that made me wonder...How many things do teachers say every day without knowing where those words will travel?A teacher says,“Don't worry. Try again.”And perhaps a child carries