バートランド・ラッセルの名言・警句( Bertrand Russell Quotes )

Bertrand Russell Quotes 366

There is also, in all conventional moralists, a gross ignorance of psychology, making them unable to realize that certain virtues imply certain correlated vices, so that in recommending a virtue the consideration which ought to weigh is: does this virtue, with its correlative vice, outweigh the opposite virtue with its correlative vice? The fact that a virtue is good in itself is not enough; it is necessary to take account of the vices that it entails and the virtues that it excludes.
 Source: Bertrand Russell: The Prospects of Industrial Civilization, 1923, p.161
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