[Michael Nelken], a Connecticut psychiatrist and psychoanalyst who has written a book about Adolf Hitler contends that people are more in danger of doing evil than they realize…[He writes,] “temptations to do wanton things don’t just come now and then, but are ever present. Impulses to do evil fly thick and fast all day long…Evil is always present, in every mind, but not acted on…"
Arehart-Treichel, Joan. “Are We All a Step Away From Evil?” Psychiatric News 15 June. 2001: Volume 36 Number 12.