President George W. Bush is endangering the United States and the world's safety while undermining American values.

Increase your bets when you are confident and scale down your positions when you don't have conviction.

Playing by the rules, one does the best he can, irrespective of the social consequences. Whereas in making the rules, people ought to be concerned with the social consequences and not with their personal interests.

My approach works not by making valid predictions but by allowing me to correct false ones.

My original intention was to spend the money in my lifetime.

Political debate is more interested in manipulating the truth, than finding the truth.

I'm not doing my philanthropic work out of any kind of guilt, or any need to create good public relations. I'm doing it because I can afford to do it, and I believe in it.