Mathematics is a language."

Josiah Willard Gibbs (America, 1839-1903).

Wittgenstein "The limits of my language are the limits of my world."

Ludwig Wittgenstein (Austria, 1889-1951).

Maxwell"I believe that at present the most important method by which a mathematician derives the greatest benefit from his work as an investigator of nature is the systematic classification of quantities".

James Clerk Maxwell (Scotland, 1831-1879).