What we call matter is only a complex of energies which we find together in the same place.

- Wolfgang Ostwald

I must consider the organizer as more important than the discoverer.

- Wolfgang Ostwald

A catalyst is a substance which alters the velocity of a chemical reaction without appearing in the final products.

- Wolfgang Ostwald

The only difference between elements and compounds consists in the supposed impossibility of proving the so-called elements to be compounds.

- Wolfgang Ostwald

Happiness is equal to work minus resistance.

- Wolfgang Ostwald

Non-aqueous solutions don't conduct.

- Wolfgang Ostwald

The chemists work with inaccurate and poor measuring services, but they employ very good materials. The physicists, on the other hand, use excellent …

- Wolfgang Ostwald