Answer:
I can be repeated but rarely in the same way. I can't be changed but can be rewritten. I can be passed down but should not be forgotten.
I go up and down at the same time. Up towards to sky and down towards the ground. What am I?
I twist and turn and leave a loop. What am I?
I move without wings Between silken string I leave as you find My substance behind.
You seek me out when your hunger's ripe. I sit on four legs and smoke a pipe.
What made Cyclops quit teaching?