"Human depravity" refers to the state or condition of human beings exhibiting wickedness, immorality, or the lack of moral principles. It highlights the idea that humans are capable of engaging in cruel or unethical acts. Full definition
My own conviction is that Cheever does not underestimate the depth of human depravity so much as he misconstrues the nature of divine grace. (religion-online.org)
Messiah College history professor John Fea writes about human depravity and its implications for studying the past on The Anxious Bench: (firstthings.com)
Believing in human depravity doesn't negate our sense of responsibility. (christianitytoday.com)