One thumbprint binds one man to a ship. The thinner the paper, the tighter the knot, I've found.

• Joan...Is mine among those papers too.
  Zeynep HatunIt is. Third line. The ink had smeared. Your hand must have been shaking.
• KeremI still don't like that a man's worth gets set by one thin sheet of paper.
  Zeynep HatunI'm not the one who set the price, Captain. The one who pressed his thumb to it did.