I don't understand why asking people to eat a well-balanced vegetarian diet is considered drastic, while it is medically conservative to cut people open and put them on cholesterol-lowering drugs for the rest of their lives.
—Dean Ornish, MD
simile
A figure of speech in which two things are compared using the word "like" or "as." An example of a simile using like occurs in Langston Hughes's poem "Harlem": "What happens to a dream deferred?/ Does it dry up/ like a raisin in the sun?"