| Play | Key Line | Modern Text | Original Text |
| All's Well That Ends Well | AW I.i.136 | accuse your mothers, which is most infallible | accuse your Mothers; which is most infallible |
| Henry VI Part 2 | 2H6 II.ii.5 | Which is infallible, to the English crown. | Which is infallible, to Englands Crowne. |
| Love's Labour's Lost | LLL IV.i.63 | By heaven, that thou art fair, is most infallible; | BY heauen, that thou art faire, is most infallible: |
| Measure for Measure | MM III.ii.106 | That's infallible. | that's infallible. |
| The Winter's Tale | WT I.ii.287 | Of laughing with a sigh? – a note infallible | Of Laughter, with a sigh? (a Note infallible |