She called her theory “objectivism,” and it’s basically the exact opposite of utilitarianism—instead of trying to maximize pleasure and minimize pain for everyone, we do it only for ourselves. Or as she wrote in the afterword to Atlas Shrugged: My philosophy, in essence, is the concept of man as a heroic being, with his own happiness as the moral purpose of his life, with productive achievement as his noblest activity, and reason as his only absolute.
