| Play | Key Line | Modern Text | Original Text |
| Henry VI Part 1 | 1H6 I.iv.52 | and spurn in pieces posts of adamant | and spurne in pieces posts of adamant |
| A Midsummer Night's Dream | MND II.i.195 | you draw me you hard-hearted adamant | you draw me you hard-hearted adamant |
| Troilus and Cressida | TC III.ii.177 | as iron to adamant as earth to th centre &ndash | as iron to adamant as earth to thcenter |