One does not ask of one who suffers: What is your country and what is your religion? One merely says: You suffer, that is enough for me.
Louis PasteurTime is the best appraiser of scientific work, and I am aware that an industrial discovery rarely produces all its fruit in the hands of its first inventor.
Louis PasteurEvery 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.
Louis Pasteur