All human beings are commingled out of good and evil.
- Robert Louis Stevenson
The fall [of your soul] from perfection into duality...was naturally followed by the discovery of the duality of good and evil...This is the Biblical version of a myth known to many lands.
- Joseph Campbell
The bad are frequently good enough to let you see how bad they are, but the good as frequently endeavor to get between you and themselves.
- Henry David Thoreau
In a strictly scientific sense God is at the bottom of both good and evil.