Answer:
Until I am measured, I am not known. Yet, how you miss me when I have flown. What Am I?
I am a ship that can be made to ride the greatest waves. I am not built by tool, but built by hearts and minds. What am I?
What can you catch but not throw?
The more you take the more you leave behind. What am I?
Every night I'm told what to do and each morning I do what I'm told. But I still don't escape your scold
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.