Related:

• Barber's Laws of Backpacking 1) The integral of the gravitational potential taken around any loop trail you choose to hike always comes out positive.
  2) Any stone in your boot always migrates against the pressure gradient to exactly the point of most pressure....
• The number of stones in your boot is directly proportional to the number of hours you have been on the trail.
  -- Milt Barbe...
• The net weight of your boots is proportional to the cube of the number of hours you have been on the trail.
  -- Milt Barbe...
• The integral of the gravitational potential taken around any loop trail you choose to hike always comes out positive.
  -- Milt Barbe...
• The local density of mosquitos is inversely proportional to your remaining repellant.
  -- Milt Barbe...
• The immediate visibility of an object is inversely proportional to the importance of finding it.
  -- The Law of Inverse Visibility...
• Any stone in your boot always migrates against the pressure gradient to exactly the point of most pressure.
  -- Milt Barbe...