It is almost possible to predict one or two days in advance, within a rather broad range of probability, what the weather is going to be; it is even thought that it will not be impossible to publish daily forecasts, which would be very useful to soci.

Mathematicians come to the solution of a problem by the simple arrangement of the data, and reducing the reasoning to such simple operations, to judgments so brief, that they never lose sight of the evidence that serves as their guide.

Nothing is born, nothing dies.

Nothing is lost, nothing is created, everything is transformed

In performing experiments, it is necessary... that they be simplified as much as possible, and that every circumstance that could complicate the results should be completely removed.

I consider nature a vast chemical laboratory in which all kinds of composition and decompositions are formed.

It is impossible to disassociate language from science...To call forth a concept, a word is needed.