Answer:
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
I have one eye. See near and far. I hold the moments you treasure and the things that make you weep.
What types of words are these: madam, civic, eye, level?
White bird, featherless, flying out of paradise. Flying over sea and land. Dying in my hand.
Both old people and owls are said to be possessing this trait
I fly to any foreign parts assisted by my spreading wings. My body holds an hundred hearts Nay I will tell you stranger things when I am not in haste I ride and then I mend my pace anon.