| 1. | 'Solus,' egregious dog O viper vil. - from The Complete Works of William Shakespeare by William Shakespeare |
| 2. | Where is that viper Bring the villain forth. - from The Complete Works of William Shakespeare by William Shakespeare |
| 3. | For her so fair a burial will not make The viper which calls Milan to the field, As had been made by shrill Gallura's bird.. - from The Divine Comedy, Complete by Dante Alighieri |
| 4. | And when Paul had gathered a bundle of sticks, and laid them on the fire, there came a viper out of the heat, and fastened on his hand. - from The King James Bible |
| 5. | There is much to be done, and other places to be made sanctify, so that that nest of vipers be obliterated.. - from Dracula by Bram Stoker |
| 6. | Now, it was into a hole of vipers that his glance had just been directed, it was a nest of monsters that he had beneath his eyes. - from Les Miserables by Victor Hugo |