10: This description is wanting in the first quarto. The passages there are essentially different; there is no allusion to Hamlet's mental struggle.
11: About various allusions and satirical hints in this scene later on.
12: Florio, 21; Montaigne, I. ii.
13: Essay III. i.
14: Isaiah, ch. iii. v. 16.
15: The word 'ecstasy,' which is often used in the new quarto, is wanting in the first edition where only madness, lunacy, frenzy—the highest degrees of madness—are spoken of.
16: In the old play their names are 'Rosencroft' and 'Guilderstone.' Reynaldo, in the first quarto, is called 'Montano.' This change of name in a dramatis persona of minor importance indicates, in however a trifling manner, that the interest excited by the name of Montaigne (to which 'Montano' comes remarkably near in English pronunciation) was now to be concentrated on another point.
17: Essay I. 40.
18: II. 12.
19: Essay II. 27, p. 142.