A virtue is a habitual disposition to do good. Among all the virtues, there are four that play a pivotal role and accordingly are called cardinal.

• •Prudence, which disposes the practical reason to discern in every circumstance one's true good and to choose the right means for achieving it.
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  •Justice, which consists in the firm and constant will to give God and neighbor their due.
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  •Fortitude, which ensures firmness in difficulties and constancy in the pursuit of the good.
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  •Temperance, which moderates the attraction of the pleasures of the senses and provides balance in the use of created goods.