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οι πλεονες κακοί [The majority are wicked]

—Bias of Priene

The wickedness was never there—not in the sense it was supposed to be. No fantastic trafficking with the Devil, no black and evil splendour. Just parlour tricks done for money—and human life of no account. That's real wickedness. Nothing grand or big—just petty and contemptible.

—Agatha Christie

But the wicked are like the tossing sea, when it cannot rest, whose waters cast up mire and dirt. There is no peace, saith my God, to the wicked.

—Isaiah

A civilization is not destroyed by wicked people; it is not necessary that people be wicked but only that they be spineless.

—James Baldwin

The belief in a supernatural source of evil is not necessary; men alone are quite capable of every wickedness.

—Joseph Conrad

Are there really any wicked problems?

The term “wicked problems” was coined by design theorists and planners Horst Rittel and Melvin Webber in their 1973 article "Dilemmas in a General Theory of Planning" published in the Journal of Policy Sciences.