Answer:
I occur twice in eternity. And I'm always within sight.
A house where you are brought, If they find you or get caught. If you cross the government, This is where you will be sent.
What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?
Timid or weak people are said to not have these.
I have one eye, See near and far, I hold the moments you treasure, And the things that make you weep.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.