Answer:
Has no feet, but travels far. Is literate, but not a scholar. Has no mouth, yet clearly speaks.
What word looks the same upside down and backwards?
I am whole but incomplete. I have no eyes, yet I see. You can see, and see right through me. My largest part is one fourth of what I once was.
My first is in window but not in pane. My second's in road but not in lane. My third is in oval but not in round. My fourth is in hearing but not in sound. My whole is known as a sign of peace. And from noah's ark won quick release.
I'm white, I'm round, but not always around. Sometimes you see me, sometimes you don't.
What is so fragile that saying its name breaks it?