"But I do not know which is likely to leave first.
Have you any notion ?" "No," he said.

"Sir Walter may leave first in a glow of rage.

Or again, Mr Wimpole may leave first, feeling that his last epigram is a thing to be flung behind him like a firework.

And Sir Walter may remain some time to analyse Mr Wimpole's character.

But they will both have to leave within reasonable time, for they will both have to get dressed and come back to dinner here tonight." As he spoke the shrill double whistle from the porch of the great house drew a dark cab to the dark portal.