Answer:
Though desert men once called me God today men call me mad. For I wag my tail when I am angry. And growl when I am glad.
I am a sound made by felines when petted.
What's the capital of France?
Never ahead, ever behind, yet flying swiftly past; for a child, I last forever; for an adult, I'm gone too fast. What am I?
Deposit red liquid in me.
Be sure to shout for its answers are weak, but there is no language it cannot speak.