On the very first page, Equality 7-2521 opens with the line, "It is a sin to write this (16) because writing alone is something that the Council of Vocations gives authorization to someone to do. In the end, he disregards that civilization as dark and too controlling (although he doesn't say it in those words). In chapter VIII, however, he makes reference to the controlling life of being in the city when he wakes up to sunshine rather than a predetermined bell. As he runs and jumps through the forest, he starts to openly make his own choices and has a great time. He feel free enough to hit a bird with a rock, cook it up, and eat it! Next, he discovers that the girl he liked has followed him into the forest and has exercised her free will to be with him. Life couldn't be better "alone!" If being alone is a sin, he decides to keep doing it no matter what anyone else thinks or might say.
Rand, Ayn.Anthem. Student Edition. Centennial Edition. Signet. Penguin Group. 1995.