Chance favours a prepared mind.

Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world. Science is the highest personification of the nation because that nation will remain the first which carries the furthest the works of thought and intelligence.

Blessed is he who carries within himself a God, an ideal, and obeys it.

To know how to wonder and question is the first step of the mind toward discovery.

I have the faith of a Breton peasant and by the time I die I hope to have the faith of a Breton peasant's wife.

Every chemical substance, whether natural or artificial, falls into one of two major categories, according to the spatial characteristic of its form. The distinction is between those substances that have a plane of symmetry and those that do not. The former belong to the mineral, the latter to the living world.

Science and Peace will triumph over Ignorance and War...