"The easiest to hurt are these three: The eye, the elbow and the knee."
In his book, "The Wasp in the Mug", the bilingual Irish poet Gabriel Rosenstock adds rhyme to this English version of an Irish proverb, which makes it almost an epigram. All the form requires is three things lined up together. What is it, though, about the number three? There is poetry, as well as wit, in the traditional triple alignment:
The eagle's eye in the mist