| Play | Key Line | Modern Text | Original Text |
| The Comedy of Errors | CE I.i.9 | Have sealed his rigorous statutes with their bloods, | Haue seal'd his rigorous statutes with their blouds, |
| Coriolanus | Cor III.i.266 | With rigorous hands. He hath resisted law, | With rigorous hands: he hath resisted Law, |
| The Merchant of Venice | MV IV.i.8 | His rigorous course; but since he stands obdurate, | His rigorous course: but since he stands obdurate, |