The Swiss linguist and thinker Ferdinand de Saussure describes language as a form of treasure that is shared with others when we speak.

De Saussure has assigned another cause, and refers the disorder to the physical features of the mountainous districts in which it prevails.

With the nineteenth century, and the founding of the modern theories of nutrition by Ingenhousz, Priestley, and De Saussure, we find a new era started.