Answer:
Voiceless it cries, Wingless flutters, Toothless bites, Mouthless mutters. What is it?
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
Without this, eating food and Steven Spielberg's career would be very different.
What is the freedom of birds and the pen of old men?
I walked and walked and at last I got it. I didn't want it. So I stopped and looked for it. When I found it, I threw it away.
People take me on walks and I run and have fun. What am I?