The discovery of the conditions of a phenomenon is the first and most important requisite for its explanation. They must be ascertained and established by observation. The mode of inquiry and observation depends on the art of the scientific man; the skilful putting of the questions displays the powers of his mind.


Familiar Letters on Chemistry, Letter II (p. 27), Walton & Maberly. 1859

Justus von Liebig Quotes

The discovery of the conditions of a phenomenon is the first and most important requisite for its explanation. They must be ascertained and...

The discovery of the conditions of a phenomenon is the first and most important requisite for its explanation. They must be ascertained and...

The discovery of the conditions of a phenomenon is the first and most important requisite for its explanation. They must be ascertained and...

The discovery of the conditions of a phenomenon is the first and most important requisite for its explanation. They must be ascertained and...