Class was largely open discussion, the instructor rarely engaged. Except for one session, where students were discussing a politician, and said, "Well, at least he's sincere." And the class sort of murmurs, "Oh, yeah, nobody can deny the guy's sincere." The teacher, who normally kept quiet, piped up from the back of the room, "Don't overrate sincerity. The most sincere person you'll meet in your life is the maniac chasing you down the road with an ax trying to chop your head off."
Renegade Economist interview http://fixyt.com/watch?v=7F2FKxxN_IE
In the old days Doctors used to bleed a patient who was ill to let out the poison "I bled him but unfortunately he died".
That or he is implying that he did nothing but suck the blood for 30 years while others did the actual important work.
No matter what you think about Ballmer you have to admit his passion for Microsoft is unrivalled.