Great truths are even more simple than I thought they were....

We use mathematics to understand the markets, not to predict them.

我听说楚地有一只神龟，已死三千年了，楚王用布包好，再用竹编把它装着，藏在庙堂之上。这龟，宁愿死了尊贵地保留着骸骨呢，还是宁愿活着在泥水中摇曳着尾巴？

The motor of our ingenuity is the question ‘Does it have to be like this?’, from which arise political reforms, scientific developments, improved relationships, better books.

The customer's perception is your reality.

You have to find in yourself what makes you different from everybody else.