Answer:
I begin and have no end. Eventually, I will be the ending of all that has begun. What am I?
I sleep when you are awake, I am awake when you fall asleep. I can fly but no feathers to aid my flight. What am I?
Before Mt. Everest was discovered what was the highest mountain in the world?
I am tomorrow's yesterday and yesterday's tomorrow. What am I?
I am milky white and scares people.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.