Answer:
Turn us on our backs and open up our stomachs you will be the wisest of men though at start a lummox.
When it comes in, From sea to shore, Twenty paces you'll see, No less, no more.
Has no feet, but travels far. Is literate, but not a scholar. Has no mouth, yet clearly speaks.
What flies without wings? What passes all things? What mends all sorrow? What brings the morrow?
This only turns over once you have traveled very far. What is it?
The 8 of us go forth and not back to protect our king from a foe's attack. What am I?