We are a pair, we shall never be separated. And we shout oh so quietly, for someone special to hear. Yes, only one shall hear our special message. And if he would everyone to hear it, he'll just let our friends say it, as they speak louder than us. Do you know who we are?

What cheese is made backwards?

As a stone inside a tree, I'll help your words outlive thee. But if you push me as I stand, the more I move the less I am.

What is greater than god, more evil than the devil. The poor have it, while the Rich need it. If you eat it you die!

I am stronger than an individual mare, and I am the same from the front or the rear. What am I?

What's a box with seven holes?

I clear the name of guilty men and mixed with common items I am deadly. What am I?