Answer:
Bright as diamonds, Loud as thunder, Never still, A thing of wonder.
I am never quite what I appear to be. Straight-forward I seem, but it's only skin deep. For mystery most often lies beneath my simple speech. Sharpen your wits, open your eyes, look beyond my exteriors, read me backwards, forwards, upside down. Think and answer the question...
Where do you go in through one hole and come out through two holes at the same time?
The one who makes it, sells it. The one who buys it, never uses it. The one that uses it never knows that heβs using it.
Thirty white horses on a red hill, first they champ, then they stamp, then they stand still.
I have two eyes in the front and a lot of eyes on my tail