“The air hath bubbles, as the water has,

And these are of them:—Whither are they vanish'd?”

and then Macbeth's earnest reply,—

“Into the air; and what seem'd corporal, melted

As breath into the wind.—Would they had stay'd!

Is it too minute to notice the appropriateness of the simile “as breath,” &c., in a cold climate?

Still again Banquo goes on wondering like any common spectator,—

“Were such things here as we do speak about?”

whilst Macbeth persists in recurring to the self-concerning:—

“Your children shall be kings.