90. Holy Susanna, too, when threatened with the fear of false witness, seeing herself hard pressed on one side by danger, on the other by disgrace, preferred to avoid disgrace by a virtuous death rather than to endure and live a shameful life in the desire to save herself. Sus. v. 23. So while she fixed her mind on virtue, she also preserved her life. But if she had preferred what seemed to her to be useful to preserve life, she would never have gained such great renown, nay, perhaps—and that would have been not only useless but even dangerous—she might even not have escaped the penalty for her crime. We note, therefore, that whatsoever is shameful cannot be useful, nor, again, can that which is virtuous be useless. For usefulness is ever the double of virtue, and virtue of usefulness.