Answer:
I'm full of holes, yet I'm full of water.
What kinds of men are always above board?
Has feathers but can't fly. Rests on legs but can't walk.
Dies half its life. Lives the rest. Dances without music. Breathes without breath.
A precious stone, as clear as diamond. Seek it out while the sun's near the horizon. Though you can walk on water with its power, try to keep it, and it'll vanish in an hour.
What is so fragile that saying its name breaks it?