Our Science comes to be at once a history of the ideas, the customs, and the deeds of mankind. From these three we shall derive the principles of the history of human nature, which we shall show to be the principles of universal history, which principles it seems hitherto to have lacked.

The New Science (1744), Chapter 2, para 368. Trans. in Thomas Goddard Bergin and Max Harold Fisch (eds.), The New Science of Giambattista Vico (1970)