Contrary to what I once thought, scientific progress did not consist simply in observing, in accurately formulating experimental facts and drawing up….

It is hope that gives life meaning. And hope is based on the prospect of being able one day to turn the actual world into a possible one that looks b….

One of the deepest functions of a living organisms is to look ahead... to produce future..

The dream of every cell is to become two cells..

Evolution is a tinkerer..

Myths and science fulfill a similar function: they both provide human beings with a representation of the world and of the forces that are supposed t….

For me, this world of questions and the provisional, this chase after an answer that was always put off to the next day, all that was euphoric. I liv….

I had turned my anxiety into my profession..

The Place of No Shadows, in Isaac Asimovs Science Fiction Magazine (1990) In our Universe, matter is arranged in a hierarchy of structures by success….

It is natural selection that gives direction to changes, orients chance, and slowly, progressively produces more complex structures, new organs, and ….

The game was that of continually inventing a possible world, or a piece of a possible world, and then of comparing it with the real world... a race w….

In today’s vastly expanded scientific enterprise, obsessed with impact factors and competition, we will need much more night science to unveil the ma….

Nature is a tinkerer, not an inventor..