Or else, we gird our loins when by continence we control the lusts of the flesh. For the lust of men is in their loins, and of women in their womb; by the name of loins, therefore, from the principal sex, lust is signified. But because it is a small thing not to do evil, unless also men strive to labour in good works, it is added, And your lamps burning in your hands; for we hold burning lamps in our hands, when by good works we shew forth bright examples to our neighbours.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).
Also cites: Hom. 13. in Evang.