There's a fixed hour when the dawn tide runs lowest. Anyone who argues about it all night has never held an oar.

• UlfridChief, counting knots is holding an oar too.
  ArnketilA knot doesn't push water.
  UlfridThat knot counted the day your father's ship put out to sea.
• AslaugWater runs low, sure enough. Trouble's the fog don't listen to you none.