Originally a pupil of , I became a pupil of Dumas, Gerhardt and Williamson: I no longer belonged to any school. August Kekulé - Liebig
If you want to become a chemist, you will have to ruin your health. If you don't ruin your health studying, you won't accomplish anything these days in chemistry.{Liebig's advice to .} Justus von Liebig - August Kekulé