Answer:
What flies forever, Rests never?
I'm the source of all emotion, but I'm caged in a white prison.
Different lights do make me strange, thus into different sizes I will change
Thirty white horses on a red hill, First they champ, Then they stamp, Then they stand still.
My first master has four legs, my second master has two. My first I serve in life, my second I serve in death. Tough I am, yet soft beside. Against ladies cheeks I often reside.
What language does a billboard speak?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?