Answer:
As a state in America I am round on both sides and high in the middle.
I am the signature stroll of ducks and penguins
Oh lord! I am not worthy! I bend my limbs to the ground. I cry yet without a sound. Let me drink of waters deep. And in silence I will weep.
What has feet and legs, and nothing else?
I go around in circles, but always straight ahead, never complain, no matter where I am led.
The answer I give is yes, but what I mean is no. What was the question?