Socialism and Failure

(in Marxist theory) the stage following capitalism in the transition of a society to communism, characterized by the imperfect implementation of collectivist principles.

I found this online when I went to search for Socialism...
http://www.thefreemanonline.org/featured/why-socialism-failed/#
Socialism is the Big Lie of the twentieth century. While it promised prosperity, equality, and security, it delivered poverty, misery, and tyranny. Equality was achieved only in the sense that everyone was equal in his or her misery.

Under socialism, incentives either play a minimal role or are ignored totally. A centrally planned economy without market prices or profits, where property is owned by the state, is a system without an effective incentive mechanism to direct economic activity. By failing to emphasize incentives, socialism is a theory inconsistent with human nature and is therefore doomed to fail. Socialism is based on the theory that incentives don’t matter!

I am looking for information on Communism and Marxism also.. and there is plenty of it out there. When I find something simple enough to add, I will...