Good Riddles

Question: What goes up when the rain goes down?

Question: A man was born on January 1st, 23 B.C. and died January 2nd, 23 A.D. How old did he live to be?

Question: This sentence is false.

Is the preceding sentence true or false?

Question: Having some, you want more. But when you have too much of it you feel bored. Everyone people wants it, and some have to much of it. What is it?

Question: What can run but can't fly?