The rare scholars who are nomads-by-choice are essential to the intellectual welfare of the settled disciplines.

Engineering is too important to wait for science.

Think not of what you see, but what it took to produce what you see.

It was a very big gamble. I lost my job in France, I received a job in which was extremely uncertain, how long would IBM be interested in research, but the gamble was taken and very shortly afterwards, I had this extraordinary fortune of stopping at Harvard to do a lecture and learning about the price variation in just the right way.

The theory of chaos and theory of fractals are separate, but have very strong intersections. That is one part of chaos theory is geometrically expressed by fractal shapes.

Humanity has known for a long time what fractals are. It is a very strange situation in which an idea which each time I look at all documents have deeper and deeper roots, never (how to say it), jelled.

A fractal is a mathematical set or concrete object that is irregular or fragmented at all scales...