Answer:
What kind of table has no legs?
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 does man love more than life, fear more than death or mortal strife. What the poor have, the rich require, and what contented men desire. What the miser spends, and the spendthrift saves. And all men carry to their graves.
What can be measured but not seen?
Voiceless it cries, Wingless flutters, Toothless bites, Mouthless mutters. What is it?
It's what light turns into in the night