Lost in the prospective of his guilt, he turns round alarmed lest others may suspect what is passing in his own mind, and instantly vents the lie of ambition:—

“My dull brain was wrought

With things forgotten;”—

and immediately after pours forth the promising courtesies of a usurper in intention:—

... “Kind gentlemen, your pains

Are register'd where every day I turn

The leaf to read them.”

Ib. Macbeth's speech:—

... “Present fears

Are less than horrible imaginings.”