In our firm's earliest days, our understanding of the power of great software engineering and quantitative analytics helped Citadel stand out.

It is incredible to come to work every day surrounded by individuals whose insights and efforts place us at the forefront of finance.

If you think about the amount of critical thinking that has come into the field of economics, two universities have dominated the landscape in my life: Chicago and Harvard.

One of the great advantages that I had in my career is I started trading 24 hours a day in my early 20s, and I had to learn to delegate to people.

We had a mission at PayPal - which was to create a new financial system, a new world currency, and we failed. We were a financial success, but we didn't succeed at the purpose of our company.

The poor man who enters into a partnership with one who is rich makes a risky venture.

Thank God I have a financial planner who is really conservative.

The poor have to labour in the face of the majestic equality of the law, which forbids the rich as well as the poor to sleep under bridges, to beg in the streets, and to steal bread.