Languages are true analytical methods.

We must trust to nothing but facts: these are presented to us by nature and cannot deceive. We ought, in every instance, to submit our reasoning to the test of experiment, and never to search for truth but by the natural road of experiment and observation.

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

Vegetation is the basic instrument the creator uses to set all of nature in motion.