Answer:
You will always find me in the past. I can be created in the present, but the future can never taint me. What am I?
I am clean when Iām black dirty when Iām white.
Never ahead, ever behind, yet flying swiftly past, for a child, I last forever, for adults, I'm gone too fast.
I have all the knowledge you have. But I am so small that I can fit into your hands. What am I?
You throw away my outside, you cook my inside. Then you eat my outside and you throw away my inside. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.