Jean-Jacques Rousseau (/ruːˈsoʊ/; French: [ʒɑ̃ʒak ʁuso]; 28 June 1712 – 2 July 1778) was a Genevan philosopher, writer, and composer of the 18th century, mainly active in France. His political philosophy influenced the Enlightenment across Europe, as well as aspects of the French Revolution and the overall development of modern political and educational thought.Read about Jean-Jacques Rousseau in Wikipedia
Too much apparatus, designed to guide us in experiments and to supplement the exactness of our senses, makes us neglect to use those senses. . . The more ingenious our apparatus, the coarser and more unskillful are our senses. We surround ourselves with tools and fail to use those which nature has provided every one of us.
It is believed that physiognomy is only a simple development of the features already marked out by nature. It is my opinion, however, that in addition to this development, the features come insensibly to be formed and assume their shape from the frequent and habitual expression of certain affections of the soul. These affections are marked on the countenance; nothing is more certain than this; and when they turn into habits, they must leave on it durable impressions.