The floor of the throne hall remembers knee-prints a long while. Some marks stay no matter how much you scrub.

• Left Minister Sim-gyuHaving lived so long, Chamberlain, you take your time choosing your words too.
  Chief Eunuch YangI'll live a shorter life than you will, my lord. That's exactly why I spend them carefully.
• Dan-a the PhysicianThose marks, I've seen them myself, more than once.