There is no difference between communism and socialism, except in the means of achieving the same ultimate end: communism proposes to enslave men by force, socialism - by vote. It is merely the difference between murder and suicide.
The spread of evil is the symptom of a vacuum. Whenever evil wins, it is only by default: by the moral failure of those who evade the fact that there can be no compromise on basic principles.
Capitalism demands the best of every man – his rationality – and rewards him accordingly. It leaves every man free to choose the work he likes, to specialize in it, to trade his product for the products of others, and to go as far on the road of achievement as his ability and ambition will carry him.