I never was, am always to be. No one ever saw me, nor ever will, and yet, I am the confidence of all who live and breathe. What am I?
This is a thing that is devoured by all things; flowers, trees, beasts, birds; bites steel, gnaws iron; grinds hard stone to meal; beats mountain down, ruins town and slays king. What is it?
Why is a raven like a writing desk?