Wine is the healthiest and most health-giving of drinks.

Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world.

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.

Bernard was right. The germ is nothing, the terrain is everything.

If it is a terrifying thought that life is at the mercy of the multiplication of these minute bodies [microbes], it is a consoling hope that Science will not always remain powerless before such enemies.

The nights seem to me too long... I am often scolded by Madame Pasteur, but I tell her I shall lead her to fame.

Oh my goodness the mystery that has prompted my objective. My quality lies exclusively in my tirelessness.