Answer:
Autumn leaves and bad bowlers wreak havoc on this
I am free for the taking. Through all of your life, though given but once at birth. I am less than nothing in weight, but will fell the strongest of you if held.
I am the outstretched fingers that seize and hold the wind. Wisdom flows from me in other hands. Upon me are sweet dreams dreamt, my merest touch brings laughter.
I'm flat. You use me everyday. You need me to live. But you give me away everyday. I'm coloured and I have a founding father on me. What am I?
Neither bought nor sold but more valuable than gold. It is built but not by hand. What is it?
If I say "everything I tell you is a lie", am I telling you the truth or a lie?