Life is tons of discipline. Your first discipline is your vocabulary; then your grammar and your punctuation Then, in your exuberance and bounding energy you say you're going to add to that. Then you add rhyme and meter. And your delight is in that power.
Robert FrostMy sorrow, when she's here with me, thinks these dark days of autumn rain are beautiful as days can be; she loves the bare, the withered tree; she walks the sodden pasture lane.
Robert Frost