In this apparatus is nothing new but its simplicity and thorough trustworthiness. On his revolutionary method of organic analysis.

What struck me most in England was the perception that only those works which have a practical tendency awake attention and command respect, while the purely scientific, which possess far greater merit are almost unknown. And yet the latter are the proper source from which the others flow. Practice alone can never lead to the discovery of a truth or a principle. In Germany it is quite the contrary. Here in the eyes of scientific men no value, or at least but a trifling one, is placed upon the practical results. The enrichment of science is alone considered worthy attention.

A fact acquires its true and full value only through the idea which is developed from it.

The loveliest theories are being overthrown by these damned experiments; it's no fun being a chemist anymore.

A manure containing several ingredients acts in this wise: The effect of all of them in the soil accommodates itself to that one among them which, in comparison to the wants of the plant, is present in the smallest quantity.

The more fodder, the more flesh; the more flesh, the more manure; the more manure, the more grain.

The secret of all those who make discoveries is that they regard nothing as impossible.