Answer:
I occur twice in eternity. And I'm always within sight.
In many hallways you would stand, if not with this in hand.
I have one eye, See near and far, I hold the moments you treasure, And the things that make you weep.
What do we see every day, kings see rarely, and God never sees?
What has holes on each side, but can still can hold water?
What did the piece of wood say when he saw the screwdriver and screws approaching?