Notes to Shakespeare, Volume III: The Tragedies

I.iii.140 (415,7) single state of man] The single state of man seems to be used by Shakespeare for an individual, in opposition to a commonwealth, or conjunct body.

I.iii.40 (415,8) function/Is smother'd in surmise; and nothing is,/ But what is not] All powers of action are oppressed and crushed by one overwhelming image in the mind, and nothing is present to me, but that which is really future. Of things now about me I have no perception, being intent wholly on that which has yet no existence.

I.iii.147 (415,9) Time and the hour runs through the roughest day] I suppose every reader is disgusted at the tautology in this passage, Time and the hour, and will therefore willingly believe that Shakespeare wrote it thus,

Come what come may, Time! on!--_the hour runs thro' the roughest day_.

Macbeth is deliberating upo