Answer:
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.
When the horse strokes the cat, the wood begins to sing.
Always old, sometimes new. Never sad, sometimes blue. Never empty, sometimes full. Never pushes, always pulls.
What is the freedom of birds and the pen of old men?
I'm the source of all emotion, but I'm caged in a white prison.
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.