Found the following hamletworks.org entries referring to line 545
View Commentary Note for 543
543
This aboue all, to thine owne selfe be true
1.3.78
View Commentary Note for 545
545
Thou canst not then be false to any man:
1.3.80
View Immaterial Textual Note for 545
545
Thou canst not then be false to any man:
1.3.80
View Material Textual Note for 545
545
Thou canst not then be false to any man:
1.3.80