What am I?

U always follow me but I am rarely seen. What am I?

A very pretty thing I am, fluttering in the pale-blue sky. Delicate, fragile on the wing, indeed I am a pretty thing. What am I?

I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves everyday. What am I?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Riddles and Answers