Wolfgang Ostwald Professions : Chemist Born : May 27, 1883 Died : November 22, 1943 Browse All Authors Top 7 quotes by Wolfgang Ostwald What we call matter is only a complex of energies which we find together in the same place. Wolfgang Ostwald matter together science Happiness is equal to work minus resistance. Wolfgang Ostwald minus resistance hard-work The only difference between elements and compounds consists in the supposed impossibility of proving the so-called elements to be compounds. Wolfgang Ostwald elements differences science The chemists work with inaccurate and poor measuring services, but they employ very good materials. The physicists, on the other hand, use excellent methods and accurate instruments, but they apply these to very inferior materials. The physical chemists combine both these characteristics in that they apply imprecise methods to impure materials. Wolfgang Ostwald excellence science hands I must consider the organizer as more important than the discoverer. Wolfgang Ostwald important discovery science Non-aqueous solutions don't conduct. Wolfgang Ostwald solutions water science A catalyst is a substance which alters the velocity of a chemical reaction without appearing in the final products. Wolfgang Ostwald nomenclature finals science Similar Authors Auguste Laurent chemist August Wilhelm von Hofmann chemist August Kekule chemist Ascanio Sobrero chemist Antoine Lavoisier chemist Antoine Bechamp chemist All Authors