Only To Be

Riddle: 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?

Answer: I am tomorrow - your future. Source: https://www.riddles.com/index.php/231

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? — Only to Be by Anonymous Riddle