What Am I Riddles

Question: 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 ?

Question: A hill full a hole full you cannot catch a bowl full.

Question: I am the one thing that stays after fire , I am the one that choke liars and yet the wind is my foe, in the morning I’ll be gone! Who am I?

Question: I'm measured in temperature and time, but have neither.

What am I?

Question: My memory is good, nay, more like perfect Yet I only remember two things.