Answer:
A man shot two arrows at its center and missed both times, but using a sword swung once at its center and hit it twice.
Has no feet, but travels far. Is literate, but not a scholar. Has no mouth, yet clearly speaks.
To unravel me you need a simple key, no key that was made by locksmith's hand. But a key that only I will understand.
The more of it there is, the less you see.
Of these things - I have two. One for me - and one for you. And when you ask about the price, I simply smile and nod twice.
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.