Related:

• You are at the edge of a deep crack going down into the center of the earth.
  earth. A very old, and little used path descends into the crack....
• You have to be sharp to be on the cutting edge.
• The crack is far too small for you to follow.
• So, how long have you been on the edge?
• Afterlyfe.sys not found! Do you want to re-incarnate?
• And the RESET button lets you re-run AUTOEXEC.BAT!
• 'Crack' gets it name because it crackles when you smoke it.
• You! What PLANET is this! -- McCoy, "The City on the Edge of Forever", stardate 3134.0
• Minister, have you finished with that re-drafted re-draft of the draft proposal yet?
  No Humphrey, do you need it back? Yes minister, I'm afraid it needs re-drafting!...