http://en.wikipedia.org/wiki/Technological_singularity

”The AI does not hate you, nor does it love you, but you are made out of atoms which it can use for something else.”

”When we create the first superintelligent entity, we might make a mistake and give it goals that lead it to annihilate humankind, assuming its enormous intellectual advantage gives it the power to do so. For example, we could mistakenly elevate a subgoal to the status of a supergoal. We tell it to solve a mathematical problem, and it complies by turning all the matter in the solar system into a giant calculating device, in the process killing the person who asked the question.