Answer:
Sometimes black, sometimes white, I have veins but no blood
What moves without seeing and cries without eyes?
Always wax, yet always wane: I melt, succumbed to the flame. Lighting darkness, with fate unblest, I soon devolve to shapeless mess.
Has no feet, but travels far. Is literate, but not a scholar. Has no mouth, yet clearly speaks.
I am the outstretched fingers that seize and hold the wind. Wisdom flows from me in other hands. Upon me are sweet dreams, my merest touch brings laughter
People take me on walks and I run and have fun. What am I?