"You mean you're comparing our lives to a sonnet? A strict form, but freedom within it? Yes. Mrs. Whatsit said. You're given the form, but you have to write the sonnet yourself. What you say is completely up to you."

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When you work in form, be it a sonnet or villanelle or whatever, the form is there and you have to fill it. And you have to find how to make that form say what you want to say. But what you find, always--I think any poet who's worked in form will agree with me--is that the form leads you to what you want to say.

— Ursula K. Le Guin