Answer:
lighter than feather and softer than silk yet the strongest man in the world cannot hold me for more than a few minutes.
I have cities but no houses I have mountains but no trees I have water but no fish. What am I?
I begin and have no end. Eventually I will be the end of all that has begun.
Blade to blade I always win My foe laid low and even. Yard by yard through thick and thin I'm busiest in season.
What building has the most stories?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic