Is Human Nature Simply The Enjoyment Of Sin? In Saint Augustine's Confessions, the quote "…the world is drunk with the invisible wine of its own perverted, earthbound will" masterfully describes the broadest underlying concept of human nature as the will to sin. However, Augustine develops this concept much deeper, expanding a definition that can be compared to that of Thucydides in History of the Peloponnesian War. The accounts of human nature (and what it consists of) scripted by these two authors has many striking parallels, displaying very little trace of discrepancy (Augustin