The oath I took as a [meat] inspector said if I ever saw anything wrong I was supposed to report it. But today, if you blow your whistle, you're in trouble with the inspection service. I feel the oath I took is violated every day I work.
—William Freeman
iambic pentameter
The most common type of meter in English poetry, in which there are five iambs (unstressed then stressed syllable pair) to a line: "But soft!/ What light/ through yon/der win/dow breaks?" (Romeo and Juliet).