Logic Riddles

Question: How do you make 9 by just 3 toothpicks?

Question: I start at the beginning and I finish at the end I fly through the middle and I return again.

Question: Most people are born on one, die on one, and experience some of their most blissful moments upon it.

Question: I was crucified to keep murders out of the maze. What am I?

Question: What begins and has no end, and ends all things that begin?