Gregory the Dialogist

For the upright man's simplicity is laughed to scorn. A lamp is despised in the thought of the rich; prepared for an appointed time. But because the very scoffers at the simple ones are themselves too enrolled under the name of Christians, being overruled by reverence for religion, they are ashamed to make a display of the sin of open scoffing. Whence it happens that full of pride in themselves, and in silence, they scoff at those whom they take to be utterly mean and abject from their simplicity. …

Morals on the Book of Job, Book X ↗

Thomas Aquinas

Moreover, their simplicity is the cause of their mockery, but simplicity is not mocked as a clear evil but as a hidden good, and so here simplicity is called "a light" because of the clarity of justice. So simplicity is "condemned by the thoughts of the rich" by those who put their end in riches. Truly those who place their highest good in riches must think that goods are greater in proportion to their utility for acquiring riches. …

Commentary on Job ↗