Riddle No. 1
I never was, am always to be, no one ever saw me, nor ever will. And yet I am the confidence of all to live and breathe on this terrestrial ball. What am I?
Riddle No. 2
Face with a tree, skin like the sea. A great beast I am, yet vermin frightens me.
What am I?
Riddle No. 3
I am sometimes strong and sometimes weak, but I am nobody's fool.
For there is no language that I cannot speak, though I never went to school.
What am I?