The egoist and the altruist are both imperfect.
A showman, supreme egoist and crowd-puller, he earned millions - then, in 2001, he lost his first fight.
Thus the man who seeks only or primarily his own moral perfection is an egoist par excellence.
Another form of the word, "Egotism," is really interchangeable, though in ordinary language it is often used specially (and similarly "egoism," as in George Meredith's Egoist) to describe the habit of magnifying one's self and one's achievements, or regarding all things from a selfish point of view.
For on the one hand unless the egoist's happiness is compatible to some extent with that of his fellows, their opposition will almost inevitably vitiate his perfect enjoyment; on the other hand, the altruist whose primary object is the good of others, must derive his own highest happiness - i.e.