Answer:
I can run but not walk. Wherever I go, thought follows close behind. What am I?
People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?
I build bridges of silver and crowns of gold. What am I?
What is the difference between a poorly dressed man on a bike, and a well-dressed man on a unicycle?
lighter than feather and softer than silk yet the strongest man in the world cannot hold me for more than a few minutes.
If you count 20 houses on your right going to the store and 20 houses on your left coming home, how many houses did you count?