Found the following hamletworks.org entries referring to line 342

View Commentary Note for 342
342 It is not, nor it cannot come to good,1.2.158

View Immaterial Textual Note for 342
342 It is not, nor it cannot come to good,1.2.158
 

View Material Textual Note for 342
342 It is not, nor it cannot come to good,1.2.158
 

View Commentary Note for 343
343 But breake my hart, for I must hold my tongue.1.2.159