Good Riddles

Question: I am what men love more than life Fear more than death or mortal strife What dead men have and rich require I'm what contented men desire

Question: What is the easiest way to poke a balloon without popping it?

Question: I'll bring out your bulls,
and slow your roll.
I may even come out of your skull.

What am I?

Question: Fast you travel, but I travel faster. The faster you travel, the further away I get still. Close as you may get, the faster I still will be. What am I?

Question: Two men are in a desert. They both have packs on. One of them is dead. The other man has his pack open, and the man who is dead has his pack closed.

What is in the pack?