Answer:
A harvest sown and reaped on the same day in an unplowed field. Which increases without growing, remains whole though it is eaten within and without. Is useless and yet the staple of nations.
With sharp edged wit and pointed poise. It can settle disputes without making a noise.
Power enough to smash ships and crush roofs. Yet it still must fear the sun.
There are two bodies on the floor. They are surrounded by water and broken glass. How did they die?
Hard to catch, easy to hold. Can't be seen, unless it's cold.
What is so fragile that saying its name breaks it?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?