Survival Kit Basics?

What do you carry in your survival kit?

Here is a list of items that I think are the bare minimum.

• Knife (always on your person)
• Compass (always on)
• Magnesium spark fire start
  • Fire is your greatest need in the wild
  • Your lighter could get wet or run out
• Water tablets
  • Being lost and sick from the water, no thanks.
• Emergency blanket

I guess with this stuff you could last for a couple weeks in the wild.  This is a bare minimum that I carry on my person so this is by no means a comprehesive gear list.