How did Giambattista Vico connect truth with things that humans have made?

Giambattista Vico established a fundamental principle of his philosophy by asserting that humans can only truly know what they have created themselves. He famously equated verum (truth) with factum (the made), arguing that because humans created the "world of nations"—comprising their own actions, institutions, and history—this realm is something they can understand with certainty.12

In contrast, Vico maintained that the natural world is the creation of God and, therefore, can only be fully known by God. By emphasizing this distinction, Vico argued that historical inquiry requires a different methodology than the natural sciences. He believed that to truly understand history, one must imaginatively enter into the spirit of past ages to re-create the attitudes and outlooks that informed them, rather than imposing modern, external interpretations on the past. This perspective positioned human history as a unique subject of knowledge, distinct from the study of the nonhuman or natural world.21