Found the following hamletworks.org entries referring to line 543
View Commentary Note for 543
543
This aboue all, to thine owne selfe be true
1.3.78
View Immaterial Textual Note for 543
543
This aboue all, to thine owne selfe be true
1.3.78
View Material Textual Note for 543
543
This aboue all, to thine owne selfe be true
1.3.78