Answer:
I have a lot to say but can't be heard because I can't speak one single word. What am I?
I can be repeated but rarely in the same way. I can't be changed but can be rewritten. I can be passed down but should not be forgotten.
I go around a yard but does not move.
I am owned by every man, though my length differs. Their wives use me after getting married. What am I?
I'm as simple as a circle worthless as a leader; but when I follow a group their strength increases tenfold. By myself I'm practically nothing.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?