Nobody will deny that there is at least some roughness everywhere

Unfortunately, the world has not been designed for the convenience of mathematicians.

I had very, very little training in taking an exam to determine a scientist's life in France.

If you look at a shape like a straight line, what's remarkable is that if you look at a straight line from close by, from far away, it is the same; it is a straight line.

The most important thing I have done is to combine something esoteric with a practical issue that affects many people.

Beautiful, damn hard, increasingly useful. That's fractals.

I was in an industrial laboratory because academia found me unsuitable