The only certainty is that there is no certainty.

I agree with what the Chairman Greenspan said whatever it is that he did say.

I don't have a distaste for ambiguity, in fact, ambiguity is what I think life is all about.

We do not face a choice between protecting our environment or protecting our economy. We face a choice between protecting our economy by protecting our environment - or allowing environmental havoc to create economic havoc.

In terms of myself, I said from the very beginning that I wanted to work in the management of Citigroup and I didn't want to be a CEO, ... That's not what I want to do with myself at the moment.

All of us as consumers have gotten spoiled, ... We expect customized goods and services at commodity prices. The only way we can do that is to cut the fat out of our price structure.

Any individual decisions can be badly thought through, and yet be successful, or exceedingly well thought through, but be unsuccessful, because the recognized possibility of failure in fact occurs. But over time, more thoughtful decision-making will lead to better overall results, and more thoughtful decision-making can be encouraged by evaluating decisions on how well they were made rather than on outcome.