Wilhelm von Humboldt Quotes
One must not consider a language as a product dead, and formed but once; it is an animate being, and ever creative. Human thought elaborates itself with the progress of intelligence; and of this thought language is a manifestation. An idiom cannot therefore remain stationary; it walks, it develops, it grows up, it fortifies itself, it becomes old, and it reaches decrepitude.
Humboldt, Wilhelm von. Quoted in Language as a Means of Mental Culture and International Communication by C. Marcel, vol. 1, Chapman and Hall, 1853, p. 30.
Friedrich Wilhelm Christian Karl Ferdinand von Humboldt was a Prussian philosopher, linguist, government functionary, diplomat, and founder of the Humboldt University of Berlin, which was named after him in 1949 (and also after his younger brother, Alexander von Humboldt, a naturalist).