1.
I don't hold it against the men who beat me because undoubtedly there are some ruffians of every nationality and the English are not exceptions.
Oswald Pohl
2.
He who outrages benevolence is called a ruffian: he who outrages righteousness is called a villain. I have heard of the cutting off of the villain Chow, but I have not heard of the putting of a ruler to death.
Mencius
3.
... the scientist would maintain that knowledge in of itself is wholly good, and that there should be and are methods of dealing with misuses of knowledge by the ruffian or the bully other than by suppressing the knowledge.
Percy Williams Bridgman
4.
He had risked his life and now it was walking away from him, hand-in-hand with a Ruffian prince.
William Goldman
5.
There ambush here relentless ruffians lay, And here the fell attorney prowls for prey.
Samuel Johnson