Answer:
It cannot be seen, cannot be felt, Cannot be heard, cannot be smelt. It lies behind stars and under hills And empty holes it fills. It comes first and follows after, Ends life, kills laughter.
Brown I am and much admired; many horses have I tried; tire a horse and worry a man; tell me this riddle if you can.
Within, I clean all that is bad and is old. I make juice that’s the color of gold. Should I die, a filter machine would you need assembled to replace me and beans I resemble.
I make you weak at the worst of all times. I keep you safe, I keep you fine. I make your hands sweat. And your heart grow cold. I visit the weak, but seldom the bold.
Each of these ends in a kettle full of precious metal and the double variety is quite awesome
I never sleep yet sometimes I weep. I can get angry or just be happy. Wherever you go, I will follow. No matter what you do, I will be there. I cannot die. What am I?