Virtuous people are simply those who have not been tempted sufficiently.

VOA: special.2010.08.29

But you know, sometimes what seems to be the virtuous may not necessarily be, so that would be an example.

但是现在你们知道了,有时候看起来低脂的食物并不一定低脂,这是个很好的例子

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Any desire is not virtuous.

FORBES: Self Interest: The Most Life Enhancing Driver of Them All

Also, as development expert Rajesh Tandon reminds us, civil society is not intrinsically virtuous.

BBC: Can civil society win India's corruption battle?

Although Gogol writes that "we have not taken a virtuous man as our hero, " he has made Chichikov, though vile and petty in so many ways, oddly sympathetic.

WSJ: Surveying the Surging Immensity of Life | Dead Souls | Nikolai Gogol | By Joseph Epstein