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

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

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

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

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

We may fairly judge of the commercial prosperity of a country from the amount of sulphuric acid it consumes.

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 Kekulé.