A human can be healthy without killing animals for food. Therefore if he eats meat he participates in taking animal life merely for the sake of his appetite.
—Leo Tolstoy
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).