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

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

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

Non-aqueous solutions don't conduct..

Happiness is equal to work minus resistance..

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

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