Answer:
What stays the same size no matter how much they weight?
A harvest sown and reaped on the same day In an unplowed field, Which increases without growing, Remains whole though it is eaten Within and without, Is useless and yet The staple of nations.
White bird, featherless, flying out of paradise. Flying over sea and land. Dying in my hand.
Who works when he plays and plays when he works?
I am black when I am clean and white when I am dirty?
People take me on walks and I run and have fun. What am I?