[IV.63] 'Go to' is a phrase of varying import, sometimes of reproof, sometimes of encouragement. 'Go till' is its earliest form.

[IV.64] not, Cassius Hanmer | not Cassius Ff.

[IV.65] budge F4 | bouge F1 | boudge F2F3.

[IV.66] observe: treat with ceremonious respect or reverence.

[IV.67] The spleen was held to be the special seat of the sudden and explosive emotions and passions, whether of mirth or anger. Cf. Troilus and Cressida, I, iii, 178; 1 Henry IV, V, ii, 19.

[IV.68] Though F1 | Thought F2.

[IV.69] ll. 51-54 This mistake of Brutus is well conceived. Cassius was much the abler soldier, and Brutus knew it; and the mistake grew from his consciousness of the truth of what he thought he heard. Cassius had served as quæstor under Marcus Crassus in his expedition against the Parthians; and, when the army was torn all to pieces, both Crassus and his son being killed, Cassius displayed great ability in bringing off a remnant. He showed remarkable military power, too, in Syria.

[IV.70] noble Ff | abler Collier.

[IV.71] l. 55 Two lines in Ff.

[IV.72] indirection: crookedness, malpractice. In King John, III, i, 275-278, is an interesting passage illustrating this use of 'indirection.' Cf. 2 Henry IV, IV, v, 185.